#3636C9#3636C9

#3636C9 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.5% C 0.218 H 273.0°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX#3636C9
RGBrgb(54, 54, 201)
HSLhsl(240, 58%, 50%)
HSVhsv(240, 73%, 79%)
CMYKcmyk(73.1%, 73.1%, 0%, 21.2%)
CIE-LABlab(33.22, 47.95, -75.40)
CIE-LCHlch(33.22, 89.35, 302.46°)
OKLaboklab(44.46% 0.0116 -0.2181)
OKLCHoklch(44.46% 0.218 273)
XYZxyz(13.3796, 7.6383, 56.0162)
Luminance0.0764 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3636C9 #C9C936
analogous
#367FC9 #3636C9 #7F36C9
triadic
#3636C9 #C93636 #36C936
tetradic
#3636C9 #C93680 #C9C936 #36C980
square
#3636C9 #C93680 #C9C936 #36C980
split-complementary
#3636C9 #C98036 #80C936
monochromatic
#1C1C69 #292999 #3636C9 #6666D6 #9696E3

Accessibility & contrast

On white

8.31
#3636C9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#3636C9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636C9
8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3636C9#FFFFFF#000000##FFFFFF
##3636C91.008.312.538.31
#FFFFFF8.311.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055CD
Deuteranopia (green-blind)
#0047C6
Tritanopia (blue-blind)
#00607C
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #3636c9;
/* rgb */ color: rgb(54, 54, 201);
/* oklch */ color: oklch(44.5% 0.218 273.0);
Tailwind
colors: {
  custom: {
    50: '#836fdb',
    500: '#3636c9',
    950: '#000000',
  },
}
SCSS
$custom: #3636c9;
$custom-light: #836fdb;
$custom-dark: #000000;
JSON
{
  "hex": "#3636c9",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 201
  },
  "hsl": {
    "h": 240,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.44463,
    "c": 0.21846,
    "h": 273
  },
  "luminance": 0.0764
}

Semantic roles & 50–950 ramp

primary
#3636C9
secondary
#CECE8C
accent
#E147E1
background
#F8F6FD
surface
#F0ECFB
border
#CBC7D4
text
#0D0715
muted
#7D7A83

Preview Lab

Preview with #3636C9

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

Preview Lab → · Contrast checker → · Palette generator →

#3636C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva