#900CB0 Color
#900CB0 is rgb(144, 12, 176) in RGB, hsl(288, 87%, 37%) in HSL, and about cmyk(18%, 93%, 0%, 31%) in CMYK. It has no registered color name of its own — the closest is Violet (RYB) (#8601AF), very hard to tell apart at ΔE 4.09. White text is the more readable choice on this background.
#900CB0rgb(144, 12, 176)hsl(288, 87%, 37%)hsv(288, 93%, 69%)cmyk(18%, 93%, 0%, 31%)oklch(48.5% 0.229 317.6)lab(36.18% 63.55 -55.01)lch(36.18% 84.06 319.12)What #900CB0 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 #900CB0, 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.
#900CB0 Channel Values
How #900CB0 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 144 · G 12 · B 176 | 8-bit channels as sent to the display |
| HSL | H 288° · S 87% · L 37% | Easiest model for building lighter and darker variants |
| HSV | H 288° · S 93% · V 69% | Matches the picker in most design tools |
| CMYK | C 18% · M 93% · Y 0% · K 31% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 7.33:1 vs white · 2.87:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #900CB0 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 #900CB0 in the contrast checker.
Colors That Go With #900CB0
Pairings derived from color-wheel relationships. The complementary color sits opposite #900CB0; 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 #900CB0
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 #900CB0.
How #900CB0 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.
#900CB0#4040B0#6932B0#5757AF#7244AF#824444#88367E#565656Using #900CB0 in Code
Copy-ready declarations for the places this color usually ends up.
--color-900cb0: #900CB0;background-color: #900CB0;colors: { 'color-900cb0': '#900CB0' }Color(red: 0.565, green: 0.047, blue: 0.690)<color name="color_900cb0">#900CB0</color>fill="#900CB0"More Purple Colors
#900CB0 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#900CB0 Frequently Asked Questions
What color is #900CB0?
#900CB0 is a dark purple — rgb(144, 12, 176) in RGB and hsl(288, 87%, 37%) in HSL. It carries no registered color name of its own; the closest named color is Violet (RYB) (#8601AF), which is very hard to tell apart at a CIE76 distance of 4.09.
What is the RGB value of #900CB0?
#900CB0 is rgb(144, 12, 176) — red 144, green 12, and blue 176 on the 0-255 scale.
What is the CMYK value of #900CB0?
#900CB0 converts to approximately cmyk(18%, 93%, 0%, 31%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #900CB0 be black or white?
White text is the more readable choice. #900CB0 scores 7.33:1 against white and 2.87:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #900CB0 as a CSS color keyword?
No. #900CB0 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 darkorchid (#9932CC) at a CIE76 distance of 9.41, which is clearly related but distinguishable side by side.
Open #900CB0 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.