#5B0188 Color
#5B0188 is rgb(91, 1, 136) in RGB, hsl(280, 99%, 27%) in HSL, and about cmyk(33%, 99%, 0%, 47%) in CMYK. It has no registered color name of its own — the closest is Metallic Violet (#5B0A91), very hard to tell apart at ΔE 3.64. White text is the more readable choice on this background.
#5B0188rgb(91, 1, 136)hsl(280, 99%, 27%)hsv(280, 99%, 53%)cmyk(33%, 99%, 0%, 47%)oklch(36.8% 0.187 308.2)lab(23.14% 50.23 -52.31)lch(23.14% 72.52 313.84)What #5B0188 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 #5B0188, 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.
#5B0188 Channel Values
How #5B0188 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 1 · B 136 | 8-bit channels as sent to the display |
| HSL | H 280° · S 99% · L 27% | Easiest model for building lighter and darker variants |
| HSV | H 280° · S 99% · V 53% | Matches the picker in most design tools |
| CMYK | C 33% · M 99% · Y 0% · K 47% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 11.64:1 vs white · 1.8:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B0188 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 #5B0188 in the contrast checker.
Colors That Go With #5B0188
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B0188; 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 #5B0188
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 #5B0188.
How #5B0188 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.
#5B0188#252588#411B88#343487#472888#4D3232#532560#393939Using #5B0188 in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b0188: #5B0188;background-color: #5B0188;colors: { 'color-5b0188': '#5B0188' }Color(red: 0.357, green: 0.004, blue: 0.533)<color name="color_5b0188">#5B0188</color>fill="#5B0188"More Purple Colors
#5B0188 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5B0188 Frequently Asked Questions
What color is #5B0188?
#5B0188 is a dark purple — rgb(91, 1, 136) in RGB and hsl(280, 99%, 27%) in HSL. It carries no registered color name of its own; the closest named color is Metallic Violet (#5B0A91), which is very hard to tell apart at a CIE76 distance of 3.64.
What is the RGB value of #5B0188?
#5B0188 is rgb(91, 1, 136) — red 91, green 1, and blue 136 on the 0-255 scale.
What is the CMYK value of #5B0188?
#5B0188 converts to approximately cmyk(33%, 99%, 0%, 47%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B0188 be black or white?
White text is the more readable choice. #5B0188 scores 11.64:1 against white and 1.8:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B0188 as a CSS color keyword?
No. #5B0188 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 5.08, which is clearly related but distinguishable side by side.
Open #5B0188 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.