#3636B9#3636B9

#3636B9 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.9% C 0.199 H 274.1°. Best body text is #FFFFFF at 8.81:1 contrast (WCAG AA passes).

Color values

HEX#3636B9
RGBrgb(54, 54, 185)
HSLhsl(240, 55%, 47%)
HSVhsv(240, 71%, 73%)
CMYKcmyk(70.8%, 70.8%, 0%, 27.5%)
CIE-LABlab(31.63, 42.66, -68.61)
CIE-LCHlch(31.63, 80.79, 301.87°)
OKLaboklab(42.86% 0.0142 -0.1984)
OKLCHoklch(42.86% 0.199 274.1)
XYZxyz(11.5945, 6.9243, 46.6150)
Luminance0.0693 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3636B9 #B9B936
analogous
#3678B9 #3636B9 #7836B9
triadic
#3636B9 #B93636 #36B936
tetradic
#3636B9 #B93678 #B9B936 #36B978
square
#3636B9 #B93678 #B9B936 #36B978
split-complementary
#3636B9 #B97836 #78B936
monochromatic
#1A1A5A #28288A #3636B9 #5D5DD0 #8C8CDD

Accessibility & contrast

On white

8.81
#3636B9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#3636B9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3636B9
8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3636B9#FFFFFF#000000##FFFFFF
##3636B91.008.812.398.81
#FFFFFF8.811.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051BD
Deuteranopia (green-blind)
#0044B7
Tritanopia (blue-blind)
#005A74
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3636b9;
/* rgb */ color: rgb(54, 54, 185);
/* oklch */ color: oklch(42.9% 0.199 274.1);
Tailwind
colors: {
  custom: {
    50: '#806ecf',
    500: '#3636b9',
    950: '#000000',
  },
}
SCSS
$custom: #3636b9;
$custom-light: #806ecf;
$custom-dark: #000000;
JSON
{
  "hex": "#3636b9",
  "rgb": {
    "r": 54,
    "g": 54,
    "b": 185
  },
  "hsl": {
    "h": 240,
    "s": 54.812,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42857,
    "c": 0.19887,
    "h": 274.1
  },
  "luminance": 0.06925
}

Semantic roles & 50–950 ramp

primary
#3636B9
secondary
#C8C883
accent
#DE4ADE
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #3636B9

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

Preview Lab → · Contrast checker → · Palette generator →

#3636B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva