#A51ACB Color
#A51ACB is rgb(165, 26, 203) in RGB, hsl(287, 77%, 45%) in HSL, and about cmyk(19%, 87%, 0%, 20%) in CMYK. It has no registered color name of its own — the closest is Purple (Munsell) (#9F00C5), very hard to tell apart at ΔE 3.12. White text is the more readable choice on this background.
#A51ACBrgb(165, 26, 203)hsl(287, 77%, 45%)hsv(287, 87%, 80%)cmyk(19%, 87%, 0%, 20%)oklch(54.1% 0.249 317)lab(42.36% 68.76 -60.67)lch(42.36% 91.70 318.58)What #A51ACB 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 #A51ACB, 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.
#A51ACB Channel Values
How #A51ACB 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 165 · G 26 · B 203 | 8-bit channels as sent to the display |
| HSL | H 287° · S 77% · L 45% | Easiest model for building lighter and darker variants |
| HSV | H 287° · S 87% · V 80% | Matches the picker in most design tools |
| CMYK | C 19% · M 87% · Y 0% · K 20% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 5.82:1 vs white · 3.61:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #A51ACB 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 #A51ACB in the contrast checker.
Colors That Go With #A51ACB
Pairings derived from color-wheel relationships. The complementary color sits opposite #A51ACB; 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 #A51ACB
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 #A51ACB.
How #A51ACB 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.
#A51ACB#4C4CCB#7A3ECB#6565C9#8451CA#955252#9C4292#656565Using #A51ACB in Code
Copy-ready declarations for the places this color usually ends up.
--color-a51acb: #A51ACB;background-color: #A51ACB;colors: { 'color-a51acb': '#A51ACB' }Color(red: 0.647, green: 0.102, blue: 0.796)<color name="color_a51acb">#A51ACB</color>fill="#A51ACB"More Purple Colors
#A51ACB sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#A51ACB Frequently Asked Questions
What color is #A51ACB?
#A51ACB is a mid-tone purple — rgb(165, 26, 203) in RGB and hsl(287, 77%, 45%) in HSL. It carries no registered color name of its own; the closest named color is Purple (Munsell) (#9F00C5), which is very hard to tell apart at a CIE76 distance of 3.12.
What is the RGB value of #A51ACB?
#A51ACB is rgb(165, 26, 203) — red 165, green 26, and blue 203 on the 0-255 scale.
What is the CMYK value of #A51ACB?
#A51ACB converts to approximately cmyk(19%, 87%, 0%, 20%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #A51ACB be black or white?
White text is the more readable choice. #A51ACB scores 5.82:1 against white and 3.61:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #A51ACB as a CSS color keyword?
No. #A51ACB 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 darkorchid (#9932CC) at a CIE76 distance of 8.83, which is clearly related but distinguishable side by side.
Open #A51ACB in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.