#C66EFC Color
#C66EFC is rgb(198, 110, 252) in RGB, hsl(277, 96%, 71%) in HSL, and about cmyk(21%, 56%, 0%, 1%) in CMYK. It has no registered color name of its own — the closest is Heliotrope (#DF73FF), clearly related but distinguishable side by side at ΔE 8.43. Black text is the more readable choice on this background.
#C66EFCrgb(198, 110, 252)hsl(277, 96%, 71%)hsv(277, 56%, 99%)cmyk(21%, 56%, 0%, 1%)oklch(69.6% 0.212 310.7)lab(61.35% 53.17 -57.60)lch(61.35% 78.39 312.71)What #C66EFC 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 #C66EFC, 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.
#C66EFC Channel Values
How #C66EFC 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 198 · G 110 · B 252 | 8-bit channels as sent to the display |
| HSL | H 277° · S 96% · L 71% | Easiest model for building lighter and darker variants |
| HSV | H 277° · S 56% · V 99% | Matches the picker in most design tools |
| CMYK | C 21% · M 56% · Y 0% · K 1% | Approximate ink mix; confirm with an ICC profile before printing |
| Luminance | 2.98:1 vs white · 7.04:1 vs black | WCAG 2.2 relative-luminance contrast ratios |
Text Contrast & Accessibility
WCAG 2.2 contrast ratios for text on a #C66EFC 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 #C66EFC in the contrast checker.
Colors That Go With #C66EFC
Pairings derived from color-wheel relationships. The complementary color sits opposite #C66EFC; 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 #C66EFC
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 #C66EFC.
How #C66EFC 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.
#C66EFC#8383FC#A27BFC#9393FB#AA86FB#B58B8B#BC81C3#959595Using #C66EFC in Code
Copy-ready declarations for the places this color usually ends up.
--color-c66efc: #C66EFC;background-color: #C66EFC;colors: { 'color-c66efc': '#C66EFC' }Color(red: 0.776, green: 0.431, blue: 0.988)<color name="color_c66efc">#C66EFC</color>fill="#C66EFC"More Purple Colors
#C66EFC sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.
#C66EFC Frequently Asked Questions
What color is #C66EFC?
#C66EFC is a light purple — rgb(198, 110, 252) in RGB and hsl(277, 96%, 71%) in HSL. It carries no registered color name of its own; the closest named color is Heliotrope (#DF73FF), which is clearly related but distinguishable side by side at a CIE76 distance of 8.43.
What is the RGB value of #C66EFC?
#C66EFC is rgb(198, 110, 252) — red 198, green 110, and blue 252 on the 0-255 scale.
What is the CMYK value of #C66EFC?
#C66EFC converts to approximately cmyk(21%, 56%, 0%, 1%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.
Should text on #C66EFC be black or white?
Black text is the more readable choice. #C66EFC scores 2.98:1 against white and 7.04:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.
Can I write #C66EFC as a CSS color keyword?
No. #C66EFC 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 mediumorchid (#BA55D3) at a CIE76 distance of 13.04, which is visibly different.
Open #C66EFC in a Tool
Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.