#636BEC#636BEC

#636BEC is a mid, vivid blue. Relative luminance 0.192; OKLCH L 59.1% C 0.191 H 276.2°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#636BEC
RGB	rgb(99, 107, 236)
HSL	hsl(236, 78%, 66%)
HSV	hsv(236, 58%, 93%)
CMYK	cmyk(58.1%, 54.7%, 0%, 7.5%)
CIE-LAB	lab(50.95, 34.08, -66.32)
CIE-LCH	lch(50.95, 74.56, 297.20°)
OKLab	oklab(59.06% 0.0205 -0.1902)
OKLCH	oklch(59.06% 0.191 276.2)
XYZ	xyz(25.5387, 19.2223, 81.7051)
Luminance	0.1922 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#636BEC #ECE463

analogous

#63B0EC #636BEC #9F63EC

triadic

#636BEC #EC636B #6BEC63

tetradic

#636BEC #EC63B0 #ECE463 #63EC9F

square

#636BEC #EC63B0 #ECE463 #63EC9F

split-complementary

#636BEC #EC9F63 #B0EC63

monochromatic

#1721BE #2C37E5 #636BEC #9A9FF3 #D0D3F9

Accessibility & contrast

On white

4.33

#636BEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#636BEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636BEC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##636BEC	#FFFFFF	#000000	##000000
##636BEC	1.00	4.33	4.84	4.84
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#067FF0

Deuteranopia (green-blind)

#0074E9

Tritanopia (blue-blind)

#0089A1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #636bec;
/* rgb */ color: rgb(99, 107, 236);
/* oklch */ color: oklch(59.1% 0.191 276.2);

Tailwind

colors: {
  custom: {
    50: '#9b95f3',
    500: '#636bec',
    950: '#000000',
  },
}

SCSS

$custom: #636bec;
$custom-light: #9b95f3;
$custom-dark: #000000;

JSON

{
  "hex": "#636bec",
  "rgb": {
    "r": 99,
    "g": 107,
    "b": 236
  },
  "hsl": {
    "h": 236.496,
    "s": 78.286,
    "l": 65.686
  },
  "oklch": {
    "l": 0.59058,
    "c": 0.1913,
    "h": 276.2
  },
  "luminance": 0.19224
}

Semantic roles & 50–950 ramp

primary

#636BEC

secondary

#ECEABF

accent

#CE0BDB

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #636BEC

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

Preview Lab → · Contrast checker → · Palette generator →