#636CED#636CED

#636CED is a mid, vivid blue. Relative luminance 0.195; OKLCH L 59.3% C 0.191 H 275.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#636CED
RGBrgb(99, 108, 237)
HSLhsl(236, 79%, 66%)
HSVhsv(236, 58%, 93%)
CMYKcmyk(58.2%, 54.4%, 0%, 7.1%)
CIE-LABlab(51.26, 33.80, -66.38)
CIE-LCHlch(51.26, 74.49, 296.99°)
OKLaboklab(59.31% 0.0196 -0.1903)
OKLCHoklch(59.31% 0.191 275.9)
XYZxyz(25.7893, 19.4903, 82.5073)
Luminance0.1949 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#636CED #EDE463
analogous
#63B1ED #636CED #9F63ED
triadic
#636CED #ED636C #6CED63
tetradic
#636CED #ED63B1 #EDE463 #63ED9F
square
#636CED #ED63B1 #EDE463 #63ED9F
split-complementary
#636CED #ED9F63 #B1ED63
monochromatic
#1621C0 #2C38E7 #636CED #9AA0F3 #D1D3FA

Accessibility & contrast

On white

4.29
#636CED on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#636CED on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636CED
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##636CED#FFFFFF#000000##000000
##636CED1.004.294.904.90
#FFFFFF4.291.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#0B80F1
Deuteranopia (green-blind)
#0074EA
Tritanopia (blue-blind)
#008AA2
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #636ced;
/* rgb */ color: rgb(99, 108, 237);
/* oklch */ color: oklch(59.3% 0.191 275.9);
Tailwind
colors: {
  custom: {
    50: '#9b96f4',
    500: '#636ced',
    950: '#000000',
  },
}
SCSS
$custom: #636ced;
$custom-light: #9b96f4;
$custom-dark: #000000;
JSON
{
  "hex": "#636ced",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 237
  },
  "hsl": {
    "h": 236.087,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.59311,
    "c": 0.19136,
    "h": 275.9
  },
  "luminance": 0.19492
}

Semantic roles & 50–950 ramp

primary
#636CED
secondary
#EDEABF
accent
#CE0ADC
background
#FAF9FF
surface
#F4F1FE
border
#CECBD6
text
#0F0D17
muted
#7F7E85

Preview Lab

Preview with #636CED

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

Preview Lab → · Contrast checker → · Palette generator →

#636CED Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva