#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
RGB	rgb(99, 110, 222)
HSL	hsl(235, 65%, 63%)
HSV	hsv(235, 55%, 87%)
CMYK	cmyk(55.4%, 50.5%, 0%, 12.9%)
CIE-LAB	lab(50.78, 27.77, -58.72)
CIE-LCH	lch(50.78, 64.95, 295.31°)
OKLab	oklab(58.64% 0.0167 -0.1678)
OKLCH	oklch(58.64% 0.169 275.7)
XYZ	xyz(23.9021, 19.0768, 71.5157)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	blue

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
##636EDE	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

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 →