#636EED#636EED

#636EED is a mid, vivid blue. Relative luminance 0.199; OKLCH L 59.7% C 0.189 H 275.4°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#636EED
RGB	rgb(99, 110, 237)
HSL	hsl(235, 79%, 66%)
HSV	hsv(235, 58%, 93%)
CMYK	cmyk(58.2%, 53.6%, 0%, 7.1%)
CIE-LAB	lab(51.74, 32.59, -65.59)
CIE-LCH	lch(51.74, 73.24, 296.42°)
OKLab	oklab(59.68% 0.0177 -0.188)
OKLCH	oklch(59.68% 0.189 275.4)
XYZ	xyz(26.0026, 19.9170, 82.5785)
Luminance	0.1992 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636EED #EDE263

analogous

#63B3ED #636EED #9D63ED

triadic

#636EED #ED636E #6EED63

tetradic

#636EED #ED63B3 #EDE263 #63ED9D

square

#636EED #ED63B3 #EDE263 #63ED9D

split-complementary

#636EED #ED9D63 #B3ED63

monochromatic

#1624C0 #2C3BE7 #636EED #9AA1F3 #D1D4FA

Accessibility & contrast

On white

4.21

#636EED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#636EED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636EED

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636EED	#FFFFFF	#000000	##000000
##636EED	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1981F1

Deuteranopia (green-blind)

#0076EA

Tritanopia (blue-blind)

#008CA3

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #636eed;
/* rgb */ color: rgb(99, 110, 237);
/* oklch */ color: oklch(59.7% 0.189 275.4);

Tailwind

colors: {
  custom: {
    50: '#9b97f4',
    500: '#636eed',
    950: '#000000',
  },
}

SCSS

$custom: #636eed;
$custom-light: #9b97f4;
$custom-dark: #000000;

JSON

{
  "hex": "#636eed",
  "rgb": {
    "r": 99,
    "g": 110,
    "b": 237
  },
  "hsl": {
    "h": 235.217,
    "s": 79.31,
    "l": 65.882
  },
  "oklch": {
    "l": 0.59675,
    "c": 0.18884,
    "h": 275.4
  },
  "luminance": 0.19919
}

Semantic roles & 50–950 ramp

primary

#636EED

secondary

#EDE9BF

accent

#CB0ADC

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #636EED

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

Preview Lab → · Contrast checker → · Palette generator →