Colors That Start With I: 233 Color Names and HEX Codes

From icy near-whites to inky violets, colors that start with I cover far more ground than indigo and ivory. This atlas gives you 233 alphabetized screen references with exact HEX and RGB values, plus a status label showing which names are standardized and which are descriptive. You will also learn how to build usable palettes and avoid treating a digital swatch like a paint or dye recipe.

What Counts as a Color That Starts With I?

IndianRed, Indigo, and Ivory are the only three W3C CSS named colors beginning with I. The other 230 entries are useful digital references drawn from a monitor-color survey, documented historical terminology, and a versioned creative color catalog. They are not 230 additional standards.

Every swatch below is controlled by its six-digit HEX value in sRGB, the standard RGB color space used for web colors. RGB values are calculated from that same HEX code, so the number and displayed color agree. A monitor, color profile, printer, or physical material can still change the final appearance.

The Three CSS I Keywords

CSS color keywords are case-insensitive. The formal keyword IndianRed resolves to #CD5C5C, Indigo to #4B0082, and Ivory to #FFFFF0. These names belong to a standardized legacy set, but the set is not a logically consistent system of color naming. Our guide to basic color theory explains the underlying relationships among hue, value, saturation, tints, and shades.

Why a Color Name Is Not a Standard

Different naming systems can attach different colors to the same words. A large crowd-sourced monitor survey recorded Indian Red as #850E04, Indigo as #380282, and Ivory as #FFFFCB. CSS assigns those names #CD5C5C, #4B0082, and #FFFFF0 instead. The CSS values control the corresponding rows in this atlas because a technical standard takes priority over an informal label.

The status column makes the distinction explicit. CSS keyword means the value is standardized for CSS. xkcd survey identifies a crowd-sourced monitor label. Color Name List, Best Of and Color Name List, full catalog identify non-standard creative names from Color Name List 14.51.0. Historical, brand-recognized, and material names receive more specific labels when their names have a separate documented context.

233 Colors That Start With I

The tables are ordered alphabetically by displayed name and divided into manageable ranges. Copy the HEX value when you need an exact screen reference rather than relying on the name alone. Each Color cell renders that HEX value directly, and no unprofiled CMYK conversion is included.

Ibis Through Icy Water

This opening range moves from Ibis through ice and icy names, with survey labels and creative catalog entries kept visibly distinct.

Identity Through Impure White

This group continues from Identity through Impure White and includes the atlas’s illusion and imperial families.

In a Nutshell Through Indochine

This range gathers the in and Indian names before moving through the indigo family and closing with Indochine.

Indocile Tiger Through Into the Stratosphere

Here the list moves from Indocile Tiger through industrial, ink, and intergalactic names to Into the Stratosphere.

Intoxicate Through Ivy Topiary

The concentration of Ice, Icy, Indian, and Indigo names shows how creative catalogs build families around familiar words. These families can be useful for browsing, but adjacent names do not form a measured tint or shade scale. Each row remains an independent sRGB reference.

How to Use I Colors in Digital Design

A long atlas becomes more useful when each color has a job. Select by code, assign clear palette roles, and test the final interface rather than judging isolated swatches.

AI-generated editorial illustration; not a measured color sample.

Start With the HEX, Not the Name

Store the six-digit HEX value in your design system and treat the name as a human-friendly label. This prevents a developer, printer, or collaborator from choosing another color called Indigo or Ice Blue. It also keeps future RGB conversions tied to one controlling value.

HEX codes in these tables describe sRGB screen colors. They do not predict a printer’s ink mixture, a paint formula, or every wide-gamut display. For close cream references beyond the entries here, the ivory color guide provides a more focused comparison.

Assign Palette Roles

Choose one dominant color for large areas, a supporting color for structure, and a smaller accent for emphasis. Three role-based starting points are:

• Cool interface: Ivory #FFFFF0 as the dominant, Icy Blue #CCEDEA as the supporting color, and Indigo #4B0082 as the accent.
• Natural editorial palette: Iced Almond #FEF4DD as the dominant, Ivy #277B74 as the supporting color, and Indian Yellow #E3A857 as the accent.
• High-energy layout: Illusion Blue #C3CED8 as the dominant, Intergalactic #4D516C as the supporting color, and International Orange #BA160C as the accent.

A color wheel can help you test analogous, complementary, and triadic alternatives without changing the exact starting codes. Palette roles alone do not guarantee readable text, so check each foreground and background pair separately.

Test Contrast in Its Actual Context

For WCAG Level AA, normal text needs a contrast ratio of at least 4.5:1 against its background, while large text needs at least 3:1. Large text means at least 18 points in regular weight or 14 points when bold, roughly 24 CSS pixels or 18.7 CSS pixels respectively. Test the actual foreground and background values because a name such as Dark, Ivory, or Blue does not establish a contrast ratio.

The last result shows why a colorful accent can work for a large heading or graphic detail without being suitable for body copy. Color must not be the only way an interface communicates meaning. Pair an error color with text or an icon, and pair chart colors with labels, patterns, or direct annotations. Test hover, focus, disabled, and selected states separately because changing either color changes the contrast result.

When a Name Is a Material, Not a Screen Color

A HEX code specifies emitted screen light. Dyes, pigments, paints, textiles, printed inks, and aged artworks produce color through physical materials and viewing conditions. A digital reference can suggest their appearance, but it cannot replace a material specification, profiled print conversion, or physical test swatch.

Indigo on a Screen and Indigo as a Dye

CSS Indigo is a fixed web color, #4B0082. Historical indigo is also a plant-derived dye and a pigment used in paintings, with its own composition, history, and handling behavior. Those material uses cannot be reduced to the CSS keyword or any other single HEX code. The indigo color guide covers the digital family in greater depth.

Indian Yellow as a Historical Pigment

Indian Yellow has a documented place in pigment scholarship, where researchers consider its nomenclature, composition, color, permanence, compatibility, and analysis. The atlas value #E3A857 is therefore a Color Name List screen reference, not a universal measurement of every historical sample or a paint-mixing formula.

International Klein Blue Beyond HEX

International Klein Blue is associated with ultramarine pigment and a resin-binding process developed to preserve the visual character of dry pigment. The table’s #002FA6 is an approximate Color Name List screen reference. A monitor cannot reproduce the physical pigment particles, binder, surface, or application method that shape the appearance of an artwork.

When selecting physical paint, consult the manufacturer’s pigment information and make a test swatch on the intended surface. When preparing print, use the relevant printer, paper, ink, and color profile instead of copying an unprofiled CMYK percentage from a generic converter.

Frequently Asked Questions

These short answers clarify the standards and medium distinctions that matter most when using the atlas.

What Are the Three CSS Colors That Start With I?

They are IndianRed #CD5C5C, Indigo #4B0082, and Ivory #FFFFF0. CSS keyword capitalization does not change their values, but the IndianRed token does not contain a space.

Why Do Some I Colors Have More Than One HEX Code?

Names are descriptive labels unless a particular standard defines them. Surveys, catalogs, manufacturers, and historical references can use the same name for different colors, so the HEX code is the reliable digital identifier.

Is International Klein Blue Defined by an Official HEX Code?

No. International Klein Blue is tied to a physical ultramarine pigment and resin process. #002FA6 is only the approximate Color Name List screen reference used in this atlas.

Can I Use These HEX Values to Mix Paint?

No. HEX specifies sRGB screen light, not pigment proportions. Use paint pigment information, manufacturer guidance, and physical mixing tests for a real paint recipe.

Download the digital color reference sheets: Color atlas 1 · Color atlas 2 · Color atlas 3 · Color atlas 4 · Color atlas 5 · Color atlas 6 · Color atlas 7

Matthew Matthysen( Drawing and Painting Artist )

Matthew Matthysen is an educated multidisciplinary artist and illustrator. He successfully completed his art degree at the University of Witwatersrand in South Africa, majoring in art history and contemporary drawing. The focus of his thesis was to explore the philosophical implications of the macro and micro-universe on the human experience. Matthew uses diverse media, such as written and hands-on components, to explore various approaches that are on the border between philosophy and science.

Matthew organized various exhibitions before and during his years as a student and is still passionate about doing so today. He currently works as a freelance artist and writer in various fields. He also has a permanent position at a renowned online gallery (ArtGazette) where he produces various works on commission. As a freelance artist, he creates several series and successfully sells them to galleries and collectors. He loves to use his work and skills in various fields of interest.

Matthew has been creating drawing and painting tutorials since the relaunch in 2020. Through his involvement with artincontext.org, he has been able to deepen his knowledge of various painting mediums. For example, watercolor techniques, calligraphy and lately digital drawing, which is becoming more and more popular.

Learn more about Matthew Matthysen and the Art in Context Team.