#3639BD#3639BD

#3639BD is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.7% C 0.201 H 273.4°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX#3639BD
RGBrgb(54, 57, 189)
HSLhsl(239, 56%, 48%)
HSVhsv(239, 71%, 74%)
CMYKcmyk(71.4%, 69.8%, 0%, 25.9%)
CIE-LABlab(32.66, 42.23, -69.28)
CIE-LCHlch(32.66, 81.13, 301.37°)
OKLaboklab(43.71% 0.0119 -0.2003)
OKLCHoklch(43.71% 0.201 273.4)
XYZxyz(12.1667, 7.3834, 48.9182)
Luminance0.0738 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3639BD #BDBA36
analogous
#367CBD #3639BD #7736BD
triadic
#3639BD #BD3639 #39BD36
tetradic
#3639BD #BD367C #BDBA36 #36BD77
square
#3639BD #BD367C #BDBA36 #36BD77
split-complementary
#3639BD #BD7736 #7CBD36
monochromatic
#1B1C5E #282B8D #3639BD #5F61D1 #8F90DF

Accessibility & contrast

On white

8.48
#3639BD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.48
#3639BD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3639BD
8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3639BD#FFFFFF#000000##FFFFFF
##3639BD1.008.482.488.48
#FFFFFF8.481.0021.001.00
#0000002.4821.001.0021.00
##FFFFFF8.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C1
Deuteranopia (green-blind)
#0046BB
Tritanopia (blue-blind)
#005D77
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #3639bd;
/* rgb */ color: rgb(54, 57, 189);
/* oklch */ color: oklch(43.7% 0.201 273.4);
Tailwind
colors: {
  custom: {
    50: '#8170d2',
    500: '#3639bd',
    950: '#000000',
  },
}
SCSS
$custom: #3639bd;
$custom-light: #8170d2;
$custom-dark: #000000;
JSON
{
  "hex": "#3639bd",
  "rgb": {
    "r": 54,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 238.667,
    "s": 55.556,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43713,
    "c": 0.20066,
    "h": 273.4
  },
  "luminance": 0.07385
}

Semantic roles & 50–950 ramp

primary
#3639BD
secondary
#C9C885
accent
#DC49DF
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3639BD

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

Preview Lab → · Contrast checker → · Palette generator →

#3639BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva