#3637C3#3637C3

#3637C3 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.210 H 273.3°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX#3637C3
RGBrgb(54, 55, 195)
HSLhsl(240, 57%, 49%)
HSVhsv(240, 72%, 76%)
CMYKcmyk(72.3%, 71.8%, 0%, 23.5%)
CIE-LABlab(32.82, 45.41, -72.54)
CIE-LCHlch(32.82, 85.58, 302.05°)
OKLaboklab(44% 0.0121 -0.2098)
OKLCHoklch(44% 0.21 273.3)
XYZxyz(12.7345, 7.4555, 52.3871)
Luminance0.0746 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3637C3 #C3C236
analogous
#367EC3 #3637C3 #7C36C3
triadic
#3637C3 #C33637 #37C336
tetradic
#3637C3 #C3367E #C3C236 #36C37C
square
#3637C3 #C3367E #C3C236 #36C37C
split-complementary
#3637C3 #C37C36 #7EC336
monochromatic
#1B1C63 #292993 #3637C3 #6363D4 #9293E1

Accessibility & contrast

On white

8.43
#3637C3 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#3637C3 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3637C3
8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3637C3#FFFFFF#000000##FFFFFF
##3637C31.008.432.498.43
#FFFFFF8.431.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0054C7
Deuteranopia (green-blind)
#0046C0
Tritanopia (blue-blind)
#005F79
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #3637c3;
/* rgb */ color: rgb(54, 55, 195);
/* oklch */ color: oklch(44.0% 0.210 273.3);
Tailwind
colors: {
  custom: {
    50: '#826fd6',
    500: '#3637c3',
    950: '#000000',
  },
}
SCSS
$custom: #3637c3;
$custom-light: #826fd6;
$custom-dark: #000000;
JSON
{
  "hex": "#3637c3",
  "rgb": {
    "r": 54,
    "g": 55,
    "b": 195
  },
  "hsl": {
    "h": 239.574,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44002,
    "c": 0.21019,
    "h": 273.3
  },
  "luminance": 0.07457
}

Semantic roles & 50–950 ramp

primary
#3637C3
secondary
#CCCB89
accent
#DF48E0
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0715
muted
#7D7A83

Preview Lab

Preview with #3637C3

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

Preview Lab → · Contrast checker → · Palette generator →

#3637C3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva