#636CE7#636CE7

#636CE7 is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.9% C 0.183 H 276.1°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#636CE7
RGB	rgb(99, 108, 231)
HSL	hsl(236, 73%, 65%)
HSV	hsv(236, 57%, 91%)
CMYK	cmyk(57.1%, 53.2%, 0%, 9.4%)
CIE-LAB	lab(50.86, 31.87, -63.66)
CIE-LCH	lch(50.86, 71.19, 296.60°)
OKLab	oklab(58.89% 0.0194 -0.1824)
OKLCH	oklch(58.89% 0.183 276.1)
XYZ	xyz(24.9273, 19.1455, 77.9677)
Luminance	0.1915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636CE7 #E7DE63

analogous

#63AEE7 #636CE7 #9C63E7

triadic

#636CE7 #E7636C #6CE763

tetradic

#636CE7 #E763AE #E7DE63 #63E79C

square

#636CE7 #E763AE #E7DE63 #63E79C

split-complementary

#636CE7 #E79C63 #AEE763

monochromatic

#1C26B4 #2E3ADF #636CE7 #989EEF #CDD0F7

Accessibility & contrast

On white

4.35

#636CE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#636CE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636CE7

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636CE7	#FFFFFF	#000000	##000000
##636CE7	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E7FEB

Deuteranopia (green-blind)

#0074E4

Tritanopia (blue-blind)

#08889F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #636ce7;
/* rgb */ color: rgb(99, 108, 231);
/* oklch */ color: oklch(58.9% 0.183 276.1);

Tailwind

colors: {
  custom: {
    50: '#9a96ef',
    500: '#636ce7',
    950: '#000000',
  },
}

SCSS

$custom: #636ce7;
$custom-light: #9a96ef;
$custom-dark: #000000;

JSON

{
  "hex": "#636ce7",
  "rgb": {
    "r": 99,
    "g": 108,
    "b": 231
  },
  "hsl": {
    "h": 235.909,
    "s": 73.333,
    "l": 64.706
  },
  "oklch": {
    "l": 0.58886,
    "c": 0.18337,
    "h": 276.1
  },
  "luminance": 0.19147
}

Semantic roles & 50–950 ramp

primary

#636CE7

secondary

#EAE6BC

accent

#C810D5

background

#FAF9FE

surface

#F3F1FD

border

#CDCBD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #636CE7

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

Preview Lab → · Contrast checker → · Palette generator →