#372C90#372C90

#372C90 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.157 H 280.6°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX#372C90
RGBrgb(55, 44, 144)
HSLhsl(247, 53%, 37%)
HSVhsv(247, 69%, 56%)
CMYKcmyk(61.8%, 69.4%, 0%, 43.5%)
CIE-LABlab(25.64, 35.04, -53.66)
CIE-LCHlch(25.64, 64.09, 303.15°)
OKLaboklab(37.39% 0.0288 -0.1546)
OKLCHoklch(37.39% 0.157 280.6)
XYZxyz(7.5087, 4.6267, 26.8775)
Luminance0.0463 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#372C90 #85902C
analogous
#2C5390 #372C90 #692C90
triadic
#372C90 #90372C #2C9037
tetradic
#372C90 #902C53 #85902C #2C9069
square
#372C90 #902C53 #85902C #2C9069
split-complementary
#372C90 #90692C #53902C
monochromatic
#130F32 #251E61 #372C90 #493ABF #7266D0

Accessibility & contrast

On white

10.91
#372C90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#372C90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C90
10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##372C90#FFFFFF#000000##FFFFFF
##372C901.0010.911.9310.91
#FFFFFF10.911.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004093
Deuteranopia (green-blind)
#00398E
Tritanopia (blue-blind)
#00465A
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #372c90;
/* rgb */ color: rgb(55, 44, 144);
/* oklch */ color: oklch(37.4% 0.157 280.6);
Tailwind
colors: {
  custom: {
    50: '#7966b1',
    500: '#372c90',
    950: '#000000',
  },
}
SCSS
$custom: #372c90;
$custom-light: #7966b1;
$custom-dark: #000000;
JSON
{
  "hex": "#372c90",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 144
  },
  "hsl": {
    "h": 246.6,
    "s": 53.191,
    "l": 36.863
  },
  "oklch": {
    "l": 0.37391,
    "c": 0.15727,
    "h": 280.6
  },
  "luminance": 0.04627
}

Semantic roles & 50–950 ramp

primary
#372C90
secondary
#ADB761
accent
#DD4BCD
background
#F7F6FB
surface
#EEEBF6
border
#C9C6D0
text
#0A0611
muted
#7C7A80

Preview Lab

Preview with #372C90

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

Preview Lab → · Contrast checker → · Palette generator →

#372C90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva