#6C66CA#6C66CA

#6C66CA is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.5% C 0.150 H 283.2°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#6C66CA
RGB	rgb(108, 102, 202)
HSL	hsl(244, 49%, 60%)
HSV	hsv(244, 50%, 79%)
CMYK	cmyk(46.5%, 49.5%, 0%, 20.8%)
CIE-LAB	lab(48.20, 28.36, -51.43)
CIE-LCH	lch(48.20, 58.73, 298.87°)
OKLab	oklab(56.47% 0.0343 -0.1462)
OKLCH	oklch(56.47% 0.15 283.2)
XYZ	xyz(21.5932, 16.9541, 58.0004)
Luminance	0.1696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C66CA #C4CA66

analogous

#6692CA #6C66CA #9E66CA

triadic

#6C66CA #CA6C66 #66CA6C

tetradic

#6C66CA #CA6692 #C4CA66 #66CA9E

square

#6C66CA #CA6692 #C4CA66 #66CA9E

split-complementary

#6C66CA #CA9E66 #92CA66

monochromatic

#342F87 #463EB4 #6C66CA #9893DA #C3C1E9

Accessibility & contrast

On white

4.78

#6C66CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#6C66CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6C66CA

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C66CA	#FFFFFF	#000000	##FFFFFF
##6C66CA	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A76CE

Deuteranopia (green-blind)

#346FC8

Tritanopia (blue-blind)

#4C7B8E

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #6c66ca;
/* rgb */ color: rgb(108, 102, 202);
/* oklch */ color: oklch(56.5% 0.150 283.2);

Tailwind

colors: {
  custom: {
    50: '#9c91db',
    500: '#6c66ca',
    950: '#000000',
  },
}

SCSS

$custom: #6c66ca;
$custom-light: #9c91db;
$custom-dark: #000000;

JSON

{
  "hex": "#6c66ca",
  "rgb": {
    "r": 108,
    "g": 102,
    "b": 202
  },
  "hsl": {
    "h": 243.6,
    "s": 48.544,
    "l": 59.608
  },
  "oklch": {
    "l": 0.56475,
    "c": 0.15018,
    "h": 283.2
  },
  "luminance": 0.16955
}

Semantic roles & 50–950 ramp

primary

#6C66CA

secondary

#D7D9B2

accent

#D850D0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0D15

muted

#7E7D83

Preview Lab

Preview with #6C66CA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →