#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
RGBrgb(54, 51, 196)
HSLhsl(241, 59%, 48%)
HSVhsv(241, 74%, 77%)
CMYKcmyk(72.4%, 74%, 0%, 23.1%)
CIE-LABlab(32.12, 47.99, -74.29)
CIE-LCHlch(32.12, 88.45, 302.86°)
OKLaboklab(43.53% 0.0139 -0.2149)
OKLCHoklch(43.53% 0.215 273.7)
XYZxyz(12.6656, 7.1362, 52.9238)
Luminance0.0714 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

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
##3633C41.008.652.438.65
#FFFFFF8.651.0021.001.00
#0000002.4321.001.0021.00
##FFFFFF8.651.0021.001.00

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 →

#3633C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva