#372DB1#372DB1

#372DB1 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.8% C 0.198 H 276.4°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX#372DB1
RGBrgb(55, 45, 177)
HSLhsl(245, 59%, 44%)
HSVhsv(245, 75%, 69%)
CMYKcmyk(68.9%, 74.6%, 0%, 30.6%)
CIE-LABlab(29.06, 45.27, -68.09)
CIE-LCHlch(29.06, 81.77, 303.62°)
OKLaboklab(40.8% 0.022 -0.1968)
OKLCHoklch(40.8% 0.198 276.4)
XYZxyz(10.4472, 5.8624, 42.1674)
Luminance0.0586 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#372DB1 #A7B12D
analogous
#2D65B1 #372DB1 #792DB1
triadic
#372DB1 #B1372D #2DB137
tetradic
#372DB1 #B12D65 #A7B12D #2DB179
square
#372DB1 #B12D65 #A7B12D #2DB179
split-complementary
#372DB1 #B1792D #65B12D
monochromatic
#19144F #282180 #372DB1 #544AD1 #827BDD

Accessibility & contrast

On white

9.67
#372DB1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.17
#372DB1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DB1
9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##372DB1#FFFFFF#000000##FFFFFF
##372DB11.009.672.179.67
#FFFFFF9.671.0021.001.00
#0000002.1721.001.0021.00
##FFFFFF9.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004AB5
Deuteranopia (green-blind)
#003FAF
Tritanopia (blue-blind)
#00536D
Achromatopsia (no color)
#444444

Design tokens & code

CSS
--color: #372db1;
/* rgb */ color: rgb(55, 45, 177);
/* oklch */ color: oklch(40.8% 0.198 276.4);
Tailwind
colors: {
  custom: {
    50: '#7f68ca',
    500: '#372db1',
    950: '#000000',
  },
}
SCSS
$custom: #372db1;
$custom-light: #7f68ca;
$custom-dark: #000000;
JSON
{
  "hex": "#372db1",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 177
  },
  "hsl": {
    "h": 244.545,
    "s": 59.459,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40803,
    "c": 0.198,
    "h": 276.4
  },
  "luminance": 0.05863
}

Semantic roles & 50–950 ramp

primary
#372DB1
secondary
#C0C674
accent
#E345D7
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0613
muted
#7D7A82

Preview Lab

Preview with #372DB1

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

Preview Lab → · Contrast checker → · Palette generator →

#372DB1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva