#372A88#372A88

#372A88 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.3% C 0.149 H 282.3°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#372A88
RGB	rgb(55, 42, 136)
HSL	hsl(248, 53%, 35%)
HSV	hsv(248, 69%, 53%)
CMYK	cmyk(59.6%, 69.1%, 0%, 46.7%)
CIE-LAB	lab(24.47, 33.61, -50.62)
CIE-LCH	lch(24.47, 60.76, 303.59°)
OKLab	oklab(36.32% 0.0318 -0.1457)
OKLCH	oklch(36.32% 0.149 282.3)
XYZ	xyz(6.8461, 4.2453, 23.7464)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372A88 #7B882A

analogous

#2A4C88 #372A88 #662A88

triadic

#372A88 #88372A #2A8837

tetradic

#372A88 #882A4C #7B882A #2A8866

square

#372A88 #882A4C #7B882A #2A8866

split-complementary

#372A88 #88662A #4C882A

monochromatic

#110D2A #241C59 #372A88 #4A38B7 #6E5FCE

Accessibility & contrast

On white

11.36

#372A88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#372A88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372A88

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372A88	#FFFFFF	#000000	##FFFFFF
##372A88	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8B

Deuteranopia (green-blind)

#003786

Tritanopia (blue-blind)

#074255

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #372a88;
/* rgb */ color: rgb(55, 42, 136);
/* oklch */ color: oklch(36.3% 0.149 282.3);

Tailwind

colors: {
  custom: {
    50: '#7765ac',
    500: '#372a88',
    950: '#000000',
  },
}

SCSS

$custom: #372a88;
$custom-light: #7765ac;
$custom-dark: #000000;

JSON

{
  "hex": "#372a88",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 136
  },
  "hsl": {
    "h": 248.298,
    "s": 52.809,
    "l": 34.902
  },
  "oklch": {
    "l": 0.36319,
    "c": 0.1491,
    "h": 282.3
  },
  "luminance": 0.04246
}

Semantic roles & 50–950 ramp

primary

#372A88

secondary

#A7B35B

accent

#DC4CC8

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #372A88

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

Preview Lab → · Contrast checker → · Palette generator →