Skip to content

#C666FA Color

#C666FA is rgb(198, 102, 250) in RGB, hsl(279, 94%, 69%) in HSL, and about cmyk(21%, 59%, 0%, 2%) 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 8.97. Black text is the more readable choice on this background.

#C666FA
HEX#C666FA
RGBrgb(198, 102, 250)
HSLhsl(279, 94%, 69%)
HSVhsv(279, 59%, 98%)
CMYKcmyk(21%, 59%, 0%, 2%)
OKLCHoklch(68.4% 0.221 311.9)
LABlab(59.78% 56.58 -58.98)
LCHlch(59.78% 81.73 313.81)

What #C666FA 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 #C666FA, 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.

#C666FA Channel Values

How #C666FA breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

ModelChannelsNotes
RGBR 198 · G 102 · B 2508-bit channels as sent to the display
HSLH 279° · S 94% · L 69%Easiest model for building lighter and darker variants
HSVH 279° · S 59% · V 98%Matches the picker in most design tools
CMYKC 21% · M 59% · Y 0% · K 2%Approximate ink mix; confirm with an ICC profile before printing
Luminance3.14:1 vs white · 6.68:1 vs blackWCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a #C666FA 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.

Fails AAWhite text3.14:1AA normal AA large AAA normal
TextBlack text6.68:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #C666FA in the contrast checker.

Colors That Go With #C666FA

Pairings derived from color-wheel relationships. The complementary color sits opposite #C666FA; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base
Complementary
Analogous
Analogous
Triadic
Triadic
Split comp.
Split comp.

Tints & Shades of #C666FA

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.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #C666FA.

How #C666FA 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.

Typical#C666FA
Protanopia#7D7DFA
Protanomaly#A075FA
Deuteranopia#8F8FF9
Deuteranomaly#A881F9
Tritanopia#B58686
Tritanomaly#BC7AC0
Achromatopsia#919191

Test a full palette in the color blindness simulator.

Using #C666FA in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--color-c666fa: #C666FA;
CSS backgroundbackground-color: #C666FA;
Tailwind configcolors: { 'color-c666fa': '#C666FA' }
SwiftUIColor(red: 0.776, green: 0.400, blue: 0.980)
Android XML<color name="color_c666fa">#C666FA</color>
SVG fillfill="#C666FA"

More Purple Colors

#C666FA sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

#C666FA Frequently Asked Questions

What color is #C666FA?

#C666FA is a light purple — rgb(198, 102, 250) in RGB and hsl(279, 94%, 69%) 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 8.97.

What is the RGB value of #C666FA?

#C666FA is rgb(198, 102, 250) — red 198, green 102, and blue 250 on the 0-255 scale.

What is the CMYK value of #C666FA?

#C666FA converts to approximately cmyk(21%, 59%, 0%, 2%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #C666FA be black or white?

Black text is the more readable choice. #C666FA scores 3.14:1 against white and 6.68:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Can I write #C666FA as a CSS color keyword?

No. #C666FA 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 13.28, which is visibly different.

Open #C666FA in a Tool

Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.