#636DEC#636DEC

#636DEC is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.4% C 0.189 H 275.7°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX#636DEC
RGBrgb(99, 109, 236)
HSLhsl(236, 78%, 66%)
HSVhsv(236, 58%, 93%)
CMYKcmyk(58.1%, 53.8%, 0%, 7.5%)
CIE-LABlab(51.43, 32.87, -65.53)
CIE-LCHlch(51.43, 73.32, 296.64°)
OKLaboklab(59.42% 0.0186 -0.1878)
OKLCHoklch(59.42% 0.189 275.7)
XYZxyz(25.7496, 19.6441, 81.7754)
Luminance0.1965 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#636DEC #ECE263
analogous
#63B2EC #636DEC #9D63EC
triadic
#636DEC #EC636D #6DEC63
tetradic
#636DEC #EC63B2 #ECE263 #63EC9D
square
#636DEC #EC63B2 #ECE263 #63EC9D
split-complementary
#636DEC #EC9D63 #B2EC63
monochromatic
#1723BE #2C3AE5 #636DEC #9AA0F3 #D0D3F9

Accessibility & contrast

On white

4.26
#636DEC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.93
#636DEC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636DEC
4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##636DEC#FFFFFF#000000##000000
##636DEC1.004.264.934.93
#FFFFFF4.261.0021.0021.00
#0000004.9321.001.001.00
##0000004.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#1681F0
Deuteranopia (green-blind)
#0075E9
Tritanopia (blue-blind)
#008BA2
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #636dec;
/* rgb */ color: rgb(99, 109, 236);
/* oklch */ color: oklch(59.4% 0.189 275.7);
Tailwind
colors: {
  custom: {
    50: '#9b96f3',
    500: '#636dec',
    950: '#000000',
  },
}
SCSS
$custom: #636dec;
$custom-light: #9b96f3;
$custom-dark: #000000;
JSON
{
  "hex": "#636dec",
  "rgb": {
    "r": 99,
    "g": 109,
    "b": 236
  },
  "hsl": {
    "h": 235.62,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.59422,
    "c": 0.18877,
    "h": 275.7
  },
  "luminance": 0.19646
}

Semantic roles & 50–950 ramp

primary
#636DEC
secondary
#ECE9BF
accent
#CB0BDB
background
#FAF9FE
surface
#F4F2FD
border
#CECCD5
text
#0F0D17
muted
#7F7E85

Preview Lab

Preview with #636DEC

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

Preview Lab → · Contrast checker → · Palette generator →

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