#6C66EC#6C66EC

#6C66EC is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.8% C 0.196 H 280.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#6C66EC
RGB	rgb(108, 102, 236)
HSL	hsl(243, 78%, 66%)
HSV	hsv(243, 57%, 93%)
CMYK	cmyk(54.2%, 56.8%, 0%, 7.5%)
CIE-LAB	lab(50.39, 38.72, -67.19)
CIE-LCH	lch(50.39, 77.55, 299.95°)
OKLab	oklab(58.8% 0.0357 -0.1926)
OKLCH	oklch(58.8% 0.196 280.5)
XYZ	xyz(26.0713, 18.7454, 81.5850)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C66EC #E6EC66

analogous

#66A3EC #6C66EC #AF66EC

triadic

#6C66EC #EC6C66 #66EC6C

tetradic

#6C66EC #EC66A3 #E6EC66 #66ECAF

square

#6C66EC #EC66A3 #E6EC66 #66ECAF

split-complementary

#6C66EC #ECAF66 #A3EC66

monochromatic

#1F18C0 #3830E5 #6C66EC #A09CF3 #D5D3FA

Accessibility & contrast

On white

4.42

#6C66EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#6C66EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6C66EC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C66EC	#FFFFFF	#000000	##000000
##6C66EC	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DF0

Deuteranopia (green-blind)

#0073E9

Tritanopia (blue-blind)

#2F859F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6c66ec;
/* rgb */ color: rgb(108, 102, 236);
/* oklch */ color: oklch(58.8% 0.196 280.5);

Tailwind

colors: {
  custom: {
    50: '#a092f3',
    500: '#6c66ec',
    950: '#000000',
  },
}

SCSS

$custom: #6c66ec;
$custom-light: #a092f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6c66ec",
  "rgb": {
    "r": 108,
    "g": 102,
    "b": 236
  },
  "hsl": {
    "h": 242.687,
    "s": 77.907,
    "l": 66.275
  },
  "oklch": {
    "l": 0.58804,
    "c": 0.19585,
    "h": 280.5
  },
  "luminance": 0.18747
}

Semantic roles & 50–950 ramp

primary

#6C66EC

secondary

#EBEDC1

accent

#DA0BD1

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #6C66EC

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

Preview Lab → · Contrast checker → · Palette generator →