#A665D2 Color
#A665D2 is rgb(166, 101, 210) in RGB, hsl(276, 55%, 61%) in HSL, and about cmyk(21%, 52%, 0%, 18%) in CMYK. It has no registered color name of its own — the closest is Rich Lavender (#A76BCF), clearly related but distinguishable side by side at ΔE 5.12. Black text is the more readable choice on this background.
#A665D2rgb(166, 101, 210)hsl(276, 55%, 61%)hsv(276, 52%, 82%)cmyk(21%, 52%, 0%, 18%)oklch(62.3% 0.169 309.9)lab(53.73% 41.45 -46.52)lch(53.73% 62.31 311.70)What #A665D2 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 #A665D2, 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.
#A665D2 Channel Values
How #A665D2 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 166 · G 101 · B 210 | 8-bit channels as sent to the display |
| HSL | H 276° · S 55% · L 61% | Easiest model for building lighter and darker variants |
| HSV | H 276° · S 52% · V 82% | Matches the picker in most design tools |
| CMYK | C 21% · M 52% · Y 0% · K 18% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 3.88:1 vs white · 5.41:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #A665D2 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 #A665D2 in the contrast checker.
Colors That Go With #A665D2
Pairings derived from color-wheel relationships. The complementary color sits opposite #A665D2; 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 #A665D2
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 #A665D2.
How #A665D2 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.
#A665D2#7373D2#8B6ED2#7F7FD1#9076D1#987A7A#9E72A5#818181Using #A665D2 in Code
Copy-ready declarations for the places this color usually ends up.
--color-a665d2: #A665D2;background-color: #A665D2;colors: { 'color-a665d2': '#A665D2' }Color(red: 0.651, green: 0.396, blue: 0.824)<color name="color_a665d2">#A665D2</color>fill="#A665D2"More Purple Colors
#A665D2 sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#A665D2 Frequently Asked Questions
What color is #A665D2?
#A665D2 is a light purple — rgb(166, 101, 210) in RGB and hsl(276, 55%, 61%) in HSL. It carries no registered color name of its own; the closest named color is Rich Lavender (#A76BCF), which is clearly related but distinguishable side by side at a CIE76 distance of 5.12.
What is the RGB value of #A665D2?
#A665D2 is rgb(166, 101, 210) — red 166, green 101, and blue 210 on the 0-255 scale.
What is the CMYK value of #A665D2?
#A665D2 converts to approximately cmyk(21%, 52%, 0%, 18%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #A665D2 be black or white?
Black text is the more readable choice. #A665D2 scores 3.88:1 against white and 5.41:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #A665D2 as a CSS color keyword?
No. #A665D2 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 mediumpurple (#9370DB) at a CIE76 distance of 10.6, which is visibly different.
Open #A665D2 in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.