#3633C4#3633C4

#3633C4 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.5% C 0.215 H 273.7°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#3633C4
RGB	rgb(54, 51, 196)
HSL	hsl(241, 59%, 48%)
HSV	hsv(241, 74%, 77%)
CMYK	cmyk(72.4%, 74%, 0%, 23.1%)
CIE-LAB	lab(32.12, 47.99, -74.29)
CIE-LCH	lch(32.12, 88.45, 302.86°)
OKLab	oklab(43.53% 0.0139 -0.2149)
OKLCH	oklch(43.53% 0.215 273.7)
XYZ	xyz(12.6656, 7.1362, 52.9238)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3633C4 #C1C433

analogous

#3379C4 #3633C4 #7E33C4

triadic

#3633C4 #C43633 #33C436

tetradic

#3633C4 #C43379 #C1C433 #33C47E

square

#3633C4 #C43379 #C1C433 #33C47E

split-complementary

#3633C4 #C47E33 #79C433

monochromatic

#1B1A63 #292693 #3633C4 #615FD5 #918FE2

Accessibility & contrast

On white

8.65

#3633C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3633C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C4

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633C4	#FFFFFF	#000000	##FFFFFF
##3633C4	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C8

Deuteranopia (green-blind)

#0045C1

Tritanopia (blue-blind)

#005D79

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3633c4;
/* rgb */ color: rgb(54, 51, 196);
/* oklch */ color: oklch(43.5% 0.215 273.7);

Tailwind

colors: {
  custom: {
    50: '#836dd7',
    500: '#3633c4',
    950: '#000000',
  },
}

SCSS

$custom: #3633c4;
$custom-light: #836dd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3633c4",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 196
  },
  "hsl": {
    "h": 241.241,
    "s": 58.704,
    "l": 48.431
  },
  "oklch": {
    "l": 0.43528,
    "c": 0.21537,
    "h": 273.7
  },
  "luminance": 0.07137
}

Semantic roles & 50–950 ramp

primary

#3633C4

secondary

#CBCD86

accent

#E246DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3633C4

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

Preview Lab → · Contrast checker → · Palette generator →