#5B3172 Color
#5B3172 is rgb(91, 49, 114) in RGB, hsl(279, 40%, 32%) in HSL, and about cmyk(20%, 57%, 0%, 55%) in CMYK. It has no registered color name of its own — the closest is Imperial (#602F6B), very hard to tell apart at ΔE 4.69. White text is the more readable choice on this background.
#5B3172rgb(91, 49, 114)hsl(279, 40%, 32%)hsv(279, 57%, 45%)cmyk(20%, 57%, 0%, 55%)oklch(39.7% 0.114 312.2)lab(28.25% 28.73 -30.22)lch(28.25% 41.70 313.56)What #5B3172 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 #5B3172, 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.
#5B3172 Channel Values
How #5B3172 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 91 · G 49 · B 114 | 8-bit channels as sent to the display |
| HSL | H 279° · S 40% · L 32% | Easiest model for building lighter and darker variants |
| HSV | H 279° · S 57% · V 45% | Matches the picker in most design tools |
| CMYK | C 20% · M 57% · Y 0% · K 55% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 9.87:1 vs white · 2.13:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B3172 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 #5B3172 in the contrast checker.
Colors That Go With #5B3172
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B3172; 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 #5B3172
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 #5B3172.
How #5B3172 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.
#5B3172#3B3B72#4A3772#424271#4D3C72#533E3E#563957#434343Using #5B3172 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b3172: #5B3172;background-color: #5B3172;colors: { 'color-5b3172': '#5B3172' }Color(red: 0.357, green: 0.192, blue: 0.447)<color name="color_5b3172">#5B3172</color>fill="#5B3172"More Purple Colors
#5B3172 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5B3172 Frequently Asked Questions
What color is #5B3172?
#5B3172 is a dark purple — rgb(91, 49, 114) in RGB and hsl(279, 40%, 32%) 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 4.69.
What is the RGB value of #5B3172?
#5B3172 is rgb(91, 49, 114) — red 91, green 49, and blue 114 on the 0-255 scale.
What is the CMYK value of #5B3172?
#5B3172 converts to approximately cmyk(20%, 57%, 0%, 55%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B3172 be black or white?
White text is the more readable choice. #5B3172 scores 9.87:1 against white and 2.13:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B3172 as a CSS color keyword?
No. #5B3172 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 14.65, which is visibly different.
Open #5B3172 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.