#3633C8#3633C8

#3633C8 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.9% C 0.220 H 273.4°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX#3633C8
RGBrgb(54, 51, 200)
HSLhsl(241, 59%, 49%)
HSVhsv(241, 75%, 78%)
CMYKcmyk(73%, 74.5%, 0%, 21.6%)
CIE-LABlab(32.53, 49.29, -75.96)
CIE-LCHlch(32.53, 90.55, 302.98°)
OKLaboklab(43.94% 0.0132 -0.2198)
OKLCHoklch(43.94% 0.22 273.4)
XYZxyz(13.1270, 7.3207, 55.3536)
Luminance0.0732 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3633C8 #C5C833
analogous
#337BC8 #3633C8 #8133C8
triadic
#3633C8 #C83633 #33C836
tetradic
#3633C8 #C8337B #C5C833 #33C881
square
#3633C8 #C8337B #C5C833 #33C881
split-complementary
#3633C8 #C88133 #7BC833
monochromatic
#1C1A66 #292797 #3633C8 #6461D7 #9492E3

Accessibility & contrast

On white

8.52
#3633C8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.46
#3633C8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C8
8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3633C8#FFFFFF#000000##FFFFFF
##3633C81.008.522.468.52
#FFFFFF8.521.0021.001.00
#0000002.4621.001.0021.00
##FFFFFF8.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053CC
Deuteranopia (green-blind)
#0045C5
Tritanopia (blue-blind)
#005E7B
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #3633c8;
/* rgb */ color: rgb(54, 51, 200);
/* oklch */ color: oklch(43.9% 0.220 273.4);
Tailwind
colors: {
  custom: {
    50: '#846dda',
    500: '#3633c8',
    950: '#000000',
  },
}
SCSS
$custom: #3633c8;
$custom-light: #846dda;
$custom-dark: #000000;
JSON
{
  "hex": "#3633c8",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 200
  },
  "hsl": {
    "h": 241.208,
    "s": 59.363,
    "l": 49.216
  },
  "oklch": {
    "l": 0.43942,
    "c": 0.22016,
    "h": 273.4
  },
  "luminance": 0.07322
}

Semantic roles & 50–950 ramp

primary
#3633C8
secondary
#CDCE89
accent
#E345DF
background
#F8F6FD
surface
#F0ECFB
border
#CBC7D4
text
#0D0715
muted
#7D7A83

Preview Lab

Preview with #3633C8

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

Preview Lab → · Contrast checker → · Palette generator →

#3633C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva