#372B78#372B78

#372B78 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.1% C 0.126 H 285.0°. Best body text is #FFFFFF at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#372B78
RGB	rgb(55, 43, 120)
HSL	hsl(249, 47%, 32%)
HSV	hsv(249, 64%, 47%)
CMYK	cmyk(54.2%, 64.2%, 0%, 52.9%)
CIE-LAB	lab(23.32, 27.67, -42.39)
CIE-LCH	lch(23.32, 50.63, 303.14°)
OKLab	oklab(35.06% 0.0326 -0.1215)
OKLCH	oklch(35.06% 0.126 285)
XYZ	xyz(5.8286, 3.8957, 18.2105)
Luminance	0.0390 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B78 #6C782B

analogous

#2B4678 #372B78 #5E2B78

triadic

#372B78 #78372B #2B7837

tetradic

#372B78 #782B46 #6C782B #2B785E

square

#372B78 #782B46 #6C782B #2B785E

split-complementary

#372B78 #785E2B #46782B

monochromatic

#0E0B1E #221B4B #372B78 #4C3BA5 #6A5AC4

Accessibility & contrast

On white

11.80

#372B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#372B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B78

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B78	#FFFFFF	#000000	##FFFFFF
##372B78	1.00	11.80	1.78	11.80
#FFFFFF	11.80	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#003576

Tritanopia (blue-blind)

#1D3D4D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #372b78;
/* rgb */ color: rgb(55, 43, 120);
/* oklch */ color: oklch(35.1% 0.126 285.0);

Tailwind

colors: {
  custom: {
    50: '#7465a0',
    500: '#372b78',
    950: '#000000',
  },
}

SCSS

$custom: #372b78;
$custom-light: #7465a0;
$custom-dark: #000000;

JSON

{
  "hex": "#372b78",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 120
  },
  "hsl": {
    "h": 249.351,
    "s": 47.239,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3506,
    "c": 0.1258,
    "h": 285
  },
  "luminance": 0.03896
}

Semantic roles & 50–950 ramp

primary

#372B78

secondary

#9CAA55

accent

#D751C2

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09050F

muted

#7B7A7E

Preview Lab

Preview with #372B78

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

Preview Lab → · Contrast checker → · Palette generator →