#5B0BCB Color
#5B0BCB is rgb(91, 11, 203) in RGB, hsl(265, 90%, 42%) in HSL, and about cmyk(55%, 95%, 0%, 20%) in CMYK. It has no registered color name of its own — the closest is Violet (Caran D'ache) (#6E00C0), clearly related but distinguishable side by side at ΔE 8.77. White text is the more readable choice on this background.
#5B0BCBrgb(91, 11, 203)hsl(265, 90%, 42%)hsv(265, 95%, 80%)cmyk(55%, 95%, 0%, 20%)oklch(44% 0.243 289.7)lab(29.88% 60.15 -81.62)lch(29.88% 101.39 306.39)What #5B0BCB 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 #5B0BCB, 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.
#5B0BCB Channel Values
How #5B0BCB 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 11 · B 203 | 8-bit channels as sent to the display |
| HSL | H 265° · S 90% · L 42% | Easiest model for building lighter and darker variants |
| HSV | H 265° · S 95% · V 80% | Matches the picker in most design tools |
| CMYK | C 55% · M 95% · Y 0% · K 20% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 8.92:1 vs white · 2.36:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #5B0BCB 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 #5B0BCB in the contrast checker.
Colors That Go With #5B0BCB
Pairings derived from color-wheel relationships. The complementary color sits opposite #5B0BCB; 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 #5B0BCB
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 #5B0BCB.
How #5B0BCB 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.
#5B0BCB#2727CB#421FCB#3636CB#482ACB#2F4F4F#453E92#4A4A4AUsing #5B0BCB in Code
Copy-ready declarations for the places this color usually ends up.
--color-5b0bcb: #5B0BCB;background-color: #5B0BCB;colors: { 'color-5b0bcb': '#5B0BCB' }Color(red: 0.357, green: 0.043, blue: 0.796)<color name="color_5b0bcb">#5B0BCB</color>fill="#5B0BCB"More Purple Colors
#5B0BCB sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#5B0BCB Frequently Asked Questions
What color is #5B0BCB?
#5B0BCB is a mid-tone purple — rgb(91, 11, 203) in RGB and hsl(265, 90%, 42%) in HSL. It carries no registered color name of its own; the closest named color is Violet (Caran D'ache) (#6E00C0), which is clearly related but distinguishable side by side at a CIE76 distance of 8.77.
What is the RGB value of #5B0BCB?
#5B0BCB is rgb(91, 11, 203) — red 91, green 11, and blue 203 on the 0-255 scale.
What is the CMYK value of #5B0BCB?
#5B0BCB converts to approximately cmyk(55%, 95%, 0%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #5B0BCB be black or white?
White text is the more readable choice. #5B0BCB scores 8.92:1 against white and 2.36:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #5B0BCB as a CSS color keyword?
No. #5B0BCB 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 blueviolet (#8A2BE2) at a CIE76 distance of 12.98, which is visibly different.
Open #5B0BCB in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.