Skip to content

Indigo (Color Wheel) (#4000FF)

The hex code for Indigo (Color Wheel) is #4000FF. It is rgb(64, 0, 255) in RGB, hsl(255, 100%, 50%) in HSL, and about cmyk(75%, 100%, 0%, 0%) in CMYK — a mid-tone purple. White text is the more readable choice on this background.

#4000FF
HEX#4000FF
RGBrgb(64, 0, 255)
HSLhsl(255, 100%, 50%)
HSVhsv(255, 100%, 100%)
CMYKcmyk(75%, 100%, 0%, 0%)
OKLCHoklch(47.4% 0.301 273.9)
LABlab(32.26% 69.79 -107.45)
LCHlch(32.26% 128.12 303.01)

Colors Closest to Indigo (Color Wheel)

Indigo (Color Wheel) is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Ultramarine#3F00FFΔE 0.16Blue#0000FFΔE 5.53Han Purple#5218FAΔE 8.24Ultramarine Blue(caran D'ache)#2111EFΔE 8.91Electric Indigo#6F00FFΔE 10.08Poison Purple#7F01FEΔE 14.77

Browse the full index of named colors A-Z or every purple in the library.

#4000FF Channel Values

How Indigo (Color Wheel) breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 64 · G 0 · B 2558-bit channels as sent to the display
HSLH 255° · S 100% · L 50%Easiest model for building lighter and darker variants
HSVH 255° · S 100% · V 100%Matches the picker in most design tools
CMYKC 75% · M 100% · Y 0% · K 0%Approximate ink mix; confirm with an ICC profile before printing
Luminance7.89:1 vs white · 2.66:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Indigo (Color Wheel) background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text7.89:1AA normal AA large AAA normal
Fails AABlack text2.66:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #4000FF in the contrast checker.

Colors That Go With Indigo (Color Wheel)

Pairings derived from color-wheel relationships. The complementary color sits opposite Indigo (Color Wheel); analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
#4000FF
Complementary
#BFFF00
Analogous
#0040FF
Analogous
#BF00FF
Triadic
#FF4000
Triadic
#00FF40
Split comp.
#FFBF00
Split comp.
#40FF00

Tints & Shades of Indigo (Color Wheel)

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

#5B24FF
#7547FF
#906BFF
#A78AFF
#C2ADFF
#DDD1FF

Shades

#3700DB
#2F00BD
#260099
#1F007A
#160057
#0E0038

Want a full 50-950 ramp with semantic roles? Generate design tokens from #4000FF.

How Indigo (Color Wheel) Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#4000FF
Protanopia#1717FF
Protanomaly#2D10FF
Deuteranopia#2323FF
Deuteranomaly#311AFF
Tritanopia#006363
Tritanomaly#004EB7
Achromatopsia#515151

Test a full palette in the color blindness simulator.

Using #4000FF in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--indigo-color-wheel: #4000FF;
CSS backgroundbackground-color: #4000FF;
Tailwind configcolors: { 'indigo-color-wheel': '#4000FF' }
SwiftUIColor(red: 0.251, green: 0.000, blue: 1.000)
Android XML<color name="indigo_color_wheel">#4000FF</color>
SVG fillfill="#4000FF"

More Purple Colors

Indigo (Color Wheel) sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

4020603f00ff4100703d1f7a410f703c036642144d39006147006636004d4706593411465218fa6600996f2da88601af9810faa020f0af95e4bfa9eace8affe0b0fffae8ff290d31

#4000FF Frequently Asked Questions

What is the hex code for Indigo (Color Wheel)?

The hex code for Indigo (Color Wheel) is #4000FF. That is rgb(64, 0, 255) in RGB, hsl(255, 100%, 50%) in HSL, and approximately cmyk(75%, 100%, 0%, 0%) in CMYK.

What is the RGB value of #4000FF?

#4000FF is rgb(64, 0, 255) — red 64, green 0, and blue 255 on the 0-255 scale.

What is the CMYK value of #4000FF?

#4000FF converts to approximately cmyk(75%, 100%, 0%, 0%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #4000FF be black or white?

White text is the more readable choice. #4000FF scores 7.89:1 against white and 2.66:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #4000FF as a CSS color keyword?

No. #4000FF is not one of the CSS color keywords, so it has to be written as a hex, rgb() or hsl() value. The closest keyword is blue (#0000FF) at a CIE76 distance of 5.53, which is clearly related but distinguishable side by side.

Open Indigo (Color Wheel) in a Tool

Hex to RGBHex to HSLHex to CMYKHex to OKLCHHex to PantoneBuild a paletteMake a gradient

Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.