#372A8A#372A8A

#372A8A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.5% C 0.152 H 282.0°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX	#372A8A
RGB	rgb(55, 42, 138)
HSL	hsl(248, 53%, 35%)
HSV	hsv(248, 70%, 54%)
CMYK	cmyk(60.1%, 69.6%, 0%, 45.9%)
CIE-LAB	lab(24.65, 34.27, -51.57)
CIE-LCH	lch(24.65, 61.92, 303.61°)
OKLab	oklab(36.5% 0.0315 -0.1485)
OKLCH	oklch(36.5% 0.152 282)
XYZ	xyz(6.9895, 4.3027, 24.5020)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372A8A #7D8A2A

analogous

#2A4D8A #372A8A #672A8A

triadic

#372A8A #8A372A #2A8A37

tetradic

#372A8A #8A2A4D #7D8A2A #2A8A67

square

#372A8A #8A2A4D #7D8A2A #2A8A67

split-complementary

#372A8A #8A672A #4D8A2A

monochromatic

#120D2C #241C5B #372A8A #4A38B9 #6F60CF

Accessibility & contrast

On white

11.29

#372A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#372A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372A8A

11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372A8A	#FFFFFF	#000000	##FFFFFF
##372A8A	1.00	11.29	1.86	11.29
#FFFFFF	11.29	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#003788

Tritanopia (blue-blind)

#024356

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #372a8a;
/* rgb */ color: rgb(55, 42, 138);
/* oklch */ color: oklch(36.5% 0.152 282.0);

Tailwind

colors: {
  custom: {
    50: '#7865ad',
    500: '#372a8a',
    950: '#000000',
  },
}

SCSS

$custom: #372a8a;
$custom-light: #7865ad;
$custom-dark: #000000;

JSON

{
  "hex": "#372a8a",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 138
  },
  "hsl": {
    "h": 248.125,
    "s": 53.333,
    "l": 35.294
  },
  "oklch": {
    "l": 0.36505,
    "c": 0.15177,
    "h": 282
  },
  "luminance": 0.04303
}

Semantic roles & 50–950 ramp

primary

#372A8A

secondary

#A8B45B

accent

#DD4BC9

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0510

muted

#7C7A7F

Preview Lab

Preview with #372A8A

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

Preview Lab → · Contrast checker → · Palette generator →