#4C0099 Color
#4C0099 is rgb(76, 0, 153) in RGB, hsl(270, 100%, 30%) in HSL, and about cmyk(50%, 100%, 0%, 40%) in CMYK. It has no registered color name of its own — the closest is Websafe Indigo (#330099), clearly related but distinguishable side by side at ΔE 7.18. White text is the more readable choice on this background.
#4C0099rgb(76, 0, 153)hsl(270, 100%, 30%)hsv(270, 100%, 60%)cmyk(50%, 100%, 0%, 40%)oklch(36.5% 0.2 294.9)lab(22.08% 51.24 -64.70)lch(22.08% 82.53 308.38)What #4C0099 Is Called
Most hex codes have no name: there are 16.7 million of them and a few thousand registered names. These are the named colors nearest to #4C0099, ordered by CIE76 distance in CIELAB. Anything under about ΔE 2 is a difference most people cannot see.
Browse the full index of named colors A-Z or every purple in the library.
#4C0099 Channel Values
How #4C0099 breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.
| Model | Channels | Notes |
|---|---|---|
| RGB | R 76 · G 0 · B 153 | 8-bit channels as sent to the display |
| HSL | H 270° · S 100% · L 30% | Easiest model for building lighter and darker variants |
| HSV | H 270° · S 100% · V 60% | Matches the picker in most design tools |
| CMYK | C 50% · M 100% · Y 0% · K 40% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.88:1 vs white · 1.77:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #4C0099 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.
Need a specific ratio against another background? Open #4C0099 in the contrast checker.
Colors That Go With #4C0099
Pairings derived from color-wheel relationships. The complementary color sits opposite #4C0099; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.
Tints & Shades of #4C0099
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.
Want a full 50-950 ramp with semantic roles? Generate design tokens from #4C0099.
How #4C0099 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.
#4C0099#1D1D99#361599#2B2B99#3B2099#323838#3E2B6D#373737Using #4C0099 in Code
Copy-ready declarations for the places this color usually ends up.
--color-4c0099: #4C0099;background-color: #4C0099;colors: { 'color-4c0099': '#4C0099' }Color(red: 0.298, green: 0.000, blue: 0.600)<color name="color_4c0099">#4C0099</color>fill="#4C0099"More Purple Colors
#4C0099 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#4C0099 Frequently Asked Questions
What color is #4C0099?
#4C0099 is a dark purple — rgb(76, 0, 153) in RGB and hsl(270, 100%, 30%) in HSL. It carries no registered color name of its own; the closest named color is Websafe Indigo (#330099), which is clearly related but distinguishable side by side at a CIE76 distance of 7.18.
What is the RGB value of #4C0099?
#4C0099 is rgb(76, 0, 153) — red 76, green 0, and blue 153 on the 0-255 scale.
What is the CMYK value of #4C0099?
#4C0099 converts to approximately cmyk(50%, 100%, 0%, 40%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #4C0099 be black or white?
White text is the more readable choice. #4C0099 scores 11.88:1 against white and 1.77:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #4C0099 as a CSS color keyword?
No. #4C0099 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 indigo (#4B0082) at a CIE76 distance of 11.48, which is visibly different.
Open #4C0099 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.