#6C66EB#6C66EB

#6C66EB is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.7% C 0.195 H 280.6°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#6C66EB
RGB	rgb(108, 102, 235)
HSL	hsl(243, 77%, 66%)
HSV	hsv(243, 57%, 92%)
CMYK	cmyk(54%, 56.6%, 0%, 7.8%)
CIE-LAB	lab(50.32, 38.41, -66.74)
CIE-LCH	lch(50.32, 77.01, 299.92°)
OKLab	oklab(58.73% 0.0357 -0.1912)
OKLCH	oklch(58.73% 0.195 280.6)
XYZ	xyz(25.9264, 18.6874, 80.8220)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6C66EB #E5EB66

analogous

#66A2EB #6C66EB #AE66EB

triadic

#6C66EB #EB6C66 #66EB6C

tetradic

#6C66EB #EB66A2 #E5EB66 #66EBAE

square

#6C66EB #EB66A2 #E5EB66 #66EBAE

split-complementary

#6C66EB #EBAE66 #A2EB66

monochromatic

#2019BE #3830E4 #6C66EB #A09CF2 #D4D2F9

Accessibility & contrast

On white

4.43

#6C66EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#6C66EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6C66EB

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6C66EB	#FFFFFF	#000000	##000000
##6C66EB	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DEF

Deuteranopia (green-blind)

#0073E8

Tritanopia (blue-blind)

#30859F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6c66eb;
/* rgb */ color: rgb(108, 102, 235);
/* oklch */ color: oklch(58.7% 0.195 280.6);

Tailwind

colors: {
  custom: {
    50: '#a092f2',
    500: '#6c66eb',
    950: '#000000',
  },
}

SCSS

$custom: #6c66eb;
$custom-light: #a092f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6c66eb",
  "rgb": {
    "r": 108,
    "g": 102,
    "b": 235
  },
  "hsl": {
    "h": 242.707,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.58731,
    "c": 0.19454,
    "h": 280.6
  },
  "luminance": 0.18689
}

Semantic roles & 50–950 ramp

primary

#6C66EB

secondary

#EAECC1

accent

#D90CD0

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #6C66EB

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

Preview Lab → · Contrast checker → · Palette generator →