#636CE8#636CE8

#636CE8 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 59.0% C 0.185 H 276.0°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#636CE8
RGB	rgb(99, 108, 232)
HSL	hsl(236, 74%, 65%)
HSV	hsv(236, 57%, 91%)
CMYK	cmyk(57.3%, 53.4%, 0%, 9%)
CIE-LAB	lab(50.92, 32.19, -64.11)
CIE-LCH	lch(50.92, 71.74, 296.66°)
OKLab	oklab(58.96% 0.0194 -0.1837)
OKLCH	oklch(58.96% 0.185 276)
XYZ	xyz(25.0689, 19.2021, 78.7136)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636CE8 #E8DF63

analogous

#63AEE8 #636CE8 #9D63E8

triadic

#636CE8 #E8636C #6CE863

tetradic

#636CE8 #E863AE #E8DF63 #63E89D

square

#636CE8 #E863AE #E8DF63 #63E89D

split-complementary

#636CE8 #E89D63 #AEE863

monochromatic

#1B25B6 #2E3AE0 #636CE8 #989EF0 #CED1F8

Accessibility & contrast

On white

4.34

#636CE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#636CE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636CE8

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636CE8	#FFFFFF	#000000	##000000
##636CE8	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7FEC

Deuteranopia (green-blind)

#0074E5

Tritanopia (blue-blind)

#0389A0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #636ce8;
/* rgb */ color: rgb(99, 108, 232);
/* oklch */ color: oklch(59.0% 0.185 276.0);

Tailwind

colors: {
  custom: {
    50: '#9a96f0',
    500: '#636ce8',
    950: '#000000',
  },
}

SCSS

$custom: #636ce8;
$custom-light: #9a96f0;
$custom-dark: #000000;

JSON

{
  "hex": "#636ce8",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 232
  },
  "hsl": {
    "h": 235.94,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.58956,
    "c": 0.18471,
    "h": 276
  },
  "luminance": 0.19204
}

Semantic roles & 50–950 ramp

primary

#636CE8

secondary

#EAE7BD

accent

#C90FD6

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #636CE8

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

Preview Lab → · Contrast checker → · Palette generator →