#37469B#37469B

#37469B is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.1% C 0.139 H 271.8°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX#37469B
RGBrgb(55, 70, 155)
HSLhsl(231, 48%, 41%)
HSVhsv(231, 65%, 61%)
CMYKcmyk(64.5%, 54.8%, 0%, 39.2%)
CIE-LABlab(33.05, 22.10, -48.35)
CIE-LCHlch(33.05, 53.16, 294.56°)
OKLaboklab(43.13% 0.0043 -0.1388)
OKLCHoklch(43.13% 0.139 271.8)
XYZxyz(9.6801, 7.5583, 31.9528)
Luminance0.0756 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37469B #9B8C37
analogous
#37789B #37469B #5A379B
triadic
#37469B #9B3746 #469B37
tetradic
#37469B #9B3778 #9B8C37 #379B5A
square
#37469B #9B3778 #9B8C37 #379B5A
split-complementary
#37469B #9B5A37 #789B37
monochromatic
#171D41 #27326E #37469B #4F60C0 #7C89D0

Accessibility & contrast

On white

8.36
#37469B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.51
#37469B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37469B
8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37469B#FFFFFF#000000##FFFFFF
##37469B1.008.362.518.36
#FFFFFF8.361.0021.001.00
#0000002.5121.001.0021.00
##FFFFFF8.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0A529E
Deuteranopia (green-blind)
#004999
Tritanopia (blue-blind)
#005A69
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #37469b;
/* rgb */ color: rgb(55, 70, 155);
/* oklch */ color: oklch(43.1% 0.139 271.8);
Tailwind
colors: {
  custom: {
    50: '#7979b9',
    500: '#37469b',
    950: '#000000',
  },
}
SCSS
$custom: #37469b;
$custom-light: #7979b9;
$custom-dark: #000000;
JSON
{
  "hex": "#37469b",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 155
  },
  "hsl": {
    "h": 231,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.43126,
    "c": 0.13887,
    "h": 271.8
  },
  "luminance": 0.07559
}

Semantic roles & 50–950 ramp

primary
#37469B
secondary
#BAAF74
accent
#C351D7
background
#F7F7FB
surface
#EEEDF6
border
#C9C8D0
text
#0A0911
muted
#7C7B80

Preview Lab

Preview with #37469B

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

Preview Lab → · Contrast checker → · Palette generator →

#37469B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva