#636CE2#636CE2

#636CE2 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.5% C 0.177 H 276.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#636CE2
RGB	rgb(99, 108, 226)
HSL	hsl(236, 69%, 64%)
HSV	hsv(236, 56%, 89%)
CMYK	cmyk(56.2%, 52.2%, 0%, 11.4%)
CIE-LAB	lab(50.53, 30.27, -61.37)
CIE-LCH	lch(50.53, 68.43, 296.25°)
OKLab	oklab(58.54% 0.0191 -0.1756)
OKLCH	oklch(58.54% 0.177 276.2)
XYZ	xyz(24.2312, 18.8671, 74.3016)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636CE2 #E2D963

analogous

#63ABE2 #636CE2 #9963E2

triadic

#636CE2 #E2636C #6CE263

tetradic

#636CE2 #E263AB #E2D963 #63E299

square

#636CE2 #E263AB #E2D963 #63E299

split-complementary

#636CE2 #E29963 #ABE263

monochromatic

#202AAB #2F3BD8 #636CE2 #979DEC #CACDF5

Accessibility & contrast

On white

4.40

#636CE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#636CE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636CE2

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636CE2	#FFFFFF	#000000	##000000
##636CE2	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#287EE6

Deuteranopia (green-blind)

#0573E0

Tritanopia (blue-blind)

#18879D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #636ce2;
/* rgb */ color: rgb(99, 108, 226);
/* oklch */ color: oklch(58.5% 0.177 276.2);

Tailwind

colors: {
  custom: {
    50: '#9996ec',
    500: '#636ce2',
    950: '#000000',
  },
}

SCSS

$custom: #636ce2;
$custom-light: #9996ec;
$custom-dark: #000000;

JSON

{
  "hex": "#636ce2",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 226
  },
  "hsl": {
    "h": 235.748,
    "s": 68.649,
    "l": 63.725
  },
  "oklch": {
    "l": 0.58538,
    "c": 0.17665,
    "h": 276.2
  },
  "luminance": 0.18869
}

Semantic roles & 50–950 ramp

primary

#636CE2

secondary

#E7E4BA

accent

#C315D1

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #636CE2

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

Preview Lab → · Contrast checker → · Palette generator →