#372D8A#372D8A

#372D8A is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.0% C 0.148 H 281.2°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#372D8A
RGB	rgb(55, 45, 138)
HSL	hsl(246, 51%, 36%)
HSV	hsv(246, 67%, 54%)
CMYK	cmyk(60.1%, 67.4%, 0%, 45.9%)
CIE-LAB	lab(25.33, 32.42, -50.45)
CIE-LCH	lch(25.33, 59.97, 302.73°)
OKLab	oklab(37% 0.0288 -0.1452)
OKLCH	oklch(37% 0.148 281.2)
XYZ	xyz(7.0999, 4.5235, 24.5388)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D8A #808A2D

analogous

#2D518A #372D8A #652D8A

triadic

#372D8A #8A372D #2D8A37

tetradic

#372D8A #8A2D51 #808A2D #2D8A65

square

#372D8A #8A2D51 #808A2D #2D8A65

split-complementary

#372D8A #8A652D #518A2D

monochromatic

#120F2E #251E5C #372D8A #493CB8 #7065CD

Accessibility & contrast

On white

11.02

#372D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#372D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D8A

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D8A	#FFFFFF	#000000	##FFFFFF
##372D8A	1.00	11.02	1.90	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#003988

Tritanopia (blue-blind)

#024557

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #372d8a;
/* rgb */ color: rgb(55, 45, 138);
/* oklch */ color: oklch(37.0% 0.148 281.2);

Tailwind

colors: {
  custom: {
    50: '#7767ad',
    500: '#372d8a',
    950: '#000000',
  },
}

SCSS

$custom: #372d8a;
$custom-light: #7767ad;
$custom-dark: #000000;

JSON

{
  "hex": "#372d8a",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 138
  },
  "hsl": {
    "h": 246.452,
    "s": 50.82,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36999,
    "c": 0.148,
    "h": 281.2
  },
  "luminance": 0.04524
}

Semantic roles & 50–950 ramp

primary

#372D8A

secondary

#AAB360

accent

#DA4DCB

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #372D8A

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

Preview Lab → · Contrast checker → · Palette generator →