#636EE8#636EE8

#636EE8 is a mid, vivid blue. Relative luminance 0.196; OKLCH L 59.3% C 0.182 H 275.5°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#636EE8
RGB	rgb(99, 110, 232)
HSL	hsl(235, 74%, 65%)
HSV	hsv(235, 57%, 91%)
CMYK	cmyk(57.3%, 52.6%, 0%, 9%)
CIE-LAB	lab(51.41, 30.98, -63.32)
CIE-LCH	lch(51.41, 70.49, 296.07°)
OKLab	oklab(59.33% 0.0174 -0.1813)
OKLCH	oklch(59.33% 0.182 275.5)
XYZ	xyz(25.2823, 19.6289, 78.7848)
Luminance	0.1963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636EE8 #E8DD63

analogous

#63B0E8 #636EE8 #9B63E8

triadic

#636EE8 #E8636E #6EE863

tetradic

#636EE8 #E863B0 #E8DD63 #63E89B

square

#636EE8 #E863B0 #E8DD63 #63E89B

split-complementary

#636EE8 #E89B63 #B0E863

monochromatic

#1B28B6 #2E3CE0 #636EE8 #98A0F0 #CED1F8

Accessibility & contrast

On white

4.26

#636EE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#636EE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636EE8

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636EE8	#FFFFFF	#000000	##000000
##636EE8	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2480EC

Deuteranopia (green-blind)

#0075E5

Tritanopia (blue-blind)

#018AA0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #636ee8;
/* rgb */ color: rgb(99, 110, 232);
/* oklch */ color: oklch(59.3% 0.182 275.5);

Tailwind

colors: {
  custom: {
    50: '#9a97f0',
    500: '#636ee8',
    950: '#000000',
  },
}

SCSS

$custom: #636ee8;
$custom-light: #9a97f0;
$custom-dark: #000000;

JSON

{
  "hex": "#636ee8",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 232
  },
  "hsl": {
    "h": 235.038,
    "s": 74.302,
    "l": 64.902
  },
  "oklch": {
    "l": 0.59325,
    "c": 0.18216,
    "h": 275.5
  },
  "luminance": 0.19631
}

Semantic roles & 50–950 ramp

primary

#636EE8

secondary

#EAE6BD

accent

#C60FD6

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #636EE8

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

Preview Lab → · Contrast checker → · Palette generator →