#663875 Color
#663875 is rgb(102, 56, 117) in RGB, hsl(285, 35%, 34%) in HSL, and about cmyk(13%, 52%, 0%, 54%) in CMYK. It has no registered color name of its own — the closest is Imperial (#602F6B), very hard to tell apart at ΔE 3.68. White text is the more readable choice on this background.
#663875rgb(102, 56, 117)hsl(285, 35%, 34%)hsv(285, 52%, 46%)cmyk(13%, 52%, 0%, 54%)oklch(42.4% 0.11 317.3)lab(31.51% 29.05 -26.86)lch(31.51% 39.56 317.24)What #663875 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 #663875, 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.
#663875 Channel Values
How #663875 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 102 · G 56 · B 117 | 8-bit channels as sent to the display |
| HSL | H 285° · S 35% · L 34% | Easiest model for building lighter and darker variants |
| HSV | H 285° · S 52% · V 46% | Matches the picker in most design tools |
| CMYK | C 13% · M 52% · Y 0% · K 54% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.8:1 vs white · 2.39:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #663875 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 #663875 in the contrast checker.
Colors That Go With #663875
Pairings derived from color-wheel relationships. The complementary color sits opposite #663875; 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 #663875
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 #663875.
How #663875 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.
#663875#434375#533F75#4B4B74#574475#5F4444#623F5B#4A4A4AUsing #663875 in Code
Copy-ready declarations for the places this color usually ends up.
--color-663875: #663875;background-color: #663875;colors: { 'color-663875': '#663875' }Color(red: 0.400, green: 0.220, blue: 0.459)<color name="color_663875">#663875</color>fill="#663875"More Purple Colors
#663875 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#663875 Frequently Asked Questions
What color is #663875?
#663875 is a dark purple — rgb(102, 56, 117) in RGB and hsl(285, 35%, 34%) in HSL. It carries no registered color name of its own; the closest named color is Imperial (#602F6B), which is very hard to tell apart at a CIE76 distance of 3.68.
What is the RGB value of #663875?
#663875 is rgb(102, 56, 117) — red 102, green 56, and blue 117 on the 0-255 scale.
What is the CMYK value of #663875?
#663875 converts to approximately cmyk(13%, 52%, 0%, 54%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #663875 be black or white?
White text is the more readable choice. #663875 scores 8.8:1 against white and 2.39:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #663875 as a CSS color keyword?
No. #663875 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 darkslateblue (#483D8B) at a CIE76 distance of 17.67, which is visibly different.
Open #663875 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.