#636EDE#636EDE

#636EDE is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.6% C 0.169 H 275.7°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX#636EDE
RGBrgb(99, 110, 222)
HSLhsl(235, 65%, 63%)
HSVhsv(235, 55%, 87%)
CMYKcmyk(55.4%, 50.5%, 0%, 12.9%)
CIE-LABlab(50.78, 27.77, -58.72)
CIE-LCHlch(50.78, 64.95, 295.31°)
OKLaboklab(58.64% 0.0167 -0.1678)
OKLCHoklch(58.64% 0.169 275.7)
XYZxyz(23.9021, 19.0768, 71.5157)
Luminance0.1908 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#636EDE #DED363
analogous
#63ABDE #636EDE #9563DE
triadic
#636EDE #DE636E #6EDE63
tetradic
#636EDE #DE63AB #DED363 #63DE95
square
#636EDE #DE63AB #DED363 #63DE95
split-complementary
#636EDE #DE9563 #ABDE63
monochromatic
#232EA4 #303FD3 #636EDE #969DE9 #C8CCF3

Accessibility & contrast

On white

4.36
#636EDE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.82
#636EDE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636EDE
4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##636EDE#FFFFFF#000000##000000
##636EDE1.004.364.824.82
#FFFFFF4.361.0021.0021.00
#0000004.8221.001.001.00
##0000004.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#337EE2
Deuteranopia (green-blind)
#1F74DC
Tritanopia (blue-blind)
#20879C
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #636ede;
/* rgb */ color: rgb(99, 110, 222);
/* oklch */ color: oklch(58.6% 0.169 275.7);
Tailwind
colors: {
  custom: {
    50: '#9997e9',
    500: '#636ede',
    950: '#000000',
  },
}
SCSS
$custom: #636ede;
$custom-light: #9997e9;
$custom-dark: #000000;
JSON
{
  "hex": "#636ede",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 222
  },
  "hsl": {
    "h": 234.634,
    "s": 65.079,
    "l": 62.941
  },
  "oklch": {
    "l": 0.58641,
    "c": 0.16863,
    "h": 275.7
  },
  "luminance": 0.19078
}

Semantic roles & 50–950 ramp

primary
#636EDE
secondary
#E5E1B8
accent
#BD19CD
background
#F9F9FE
surface
#F2F2FD
border
#CCCCD5
text
#0F0D16
muted
#7E7E84

Preview Lab

Preview with #636EDE

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

Preview Lab → · Contrast checker → · Palette generator →

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