#5B237B Color
#5B237B is rgb(91, 35, 123) in RGB, hsl(278, 56%, 31%) in HSL, and about cmyk(26%, 72%, 0%, 52%) in CMYK. It has no registered color name of its own — the closest is Eminence (#6C3082), clearly related but distinguishable side by side at ΔE 6.99. White text is the more readable choice on this background.
#5B237Brgb(91, 35, 123)hsl(278, 56%, 31%)hsv(278, 72%, 48%)cmyk(26%, 72%, 0%, 52%)oklch(38.3% 0.146 310.5)lab(25.96% 37.60 -39.56)lch(25.96% 54.57 313.54)What #5B237B 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 #5B237B, 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.
#5B237B Channel Values
How #5B237B 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 35 · B 123 | 8-bit channels as sent to the display |
| HSL | H 278° · S 56% · L 31% | Easiest model for building lighter and darker variants |
| HSV | H 278° · S 72% · V 48% | Matches the picker in most design tools |
| CMYK | C 26% · M 72% · Y 0% · K 52% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 10.65:1 vs white · 1.97:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B237B 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 #5B237B in the contrast checker.
Colors That Go With #5B237B
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B237B; 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 #5B237B
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 #5B237B.
How #5B237B 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.
#5B237B#32327B#462D7B#3C3C7A#4A347B#513838#55315A#3E3E3EUsing #5B237B in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b237b: #5B237B;background-color: #5B237B;colors: { 'color-5b237b': '#5B237B' }Color(red: 0.357, green: 0.137, blue: 0.482)<color name="color_5b237b">#5B237B</color>fill="#5B237B"More Purple Colors
#5B237B sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5B237B Frequently Asked Questions
What color is #5B237B?
#5B237B is a dark purple — rgb(91, 35, 123) in RGB and hsl(278, 56%, 31%) in HSL. It carries no registered color name of its own; the closest named color is Eminence (#6C3082), which is clearly related but distinguishable side by side at a CIE76 distance of 6.99.
What is the RGB value of #5B237B?
#5B237B is rgb(91, 35, 123) — red 91, green 35, and blue 123 on the 0-255 scale.
What is the CMYK value of #5B237B?
#5B237B converts to approximately cmyk(26%, 72%, 0%, 52%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B237B be black or white?
White text is the more readable choice. #5B237B scores 10.65:1 against white and 1.97:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B237B as a CSS color keyword?
No. #5B237B 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 rebeccapurple (#663399) at a CIE76 distance of 10.4, which is visibly different.
Open #5B237B in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.