#372C8A#372C8A

#372C8A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.8% C 0.149 H 281.5°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#372C8A
RGB	rgb(55, 44, 138)
HSL	hsl(247, 52%, 36%)
HSV	hsv(247, 68%, 54%)
CMYK	cmyk(60.1%, 68.1%, 0%, 45.9%)
CIE-LAB	lab(25.10, 33.04, -50.83)
CIE-LCH	lch(25.10, 60.62, 303.03°)
OKLab	oklab(36.83% 0.0297 -0.1463)
OKLCH	oklch(36.83% 0.149 281.5)
XYZ	xyz(7.0622, 4.4481, 24.5262)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372C8A #7F8A2C

analogous

#2C508A #372C8A #662C8A

triadic

#372C8A #8A372C #2C8A37

tetradic

#372C8A #8A2C50 #7F8A2C #2C8A66

square

#372C8A #8A2C50 #7F8A2C #2C8A66

split-complementary

#372C8A #8A662C #508A2C

monochromatic

#120E2D #251D5C #372C8A #493BB8 #7063CD

Accessibility & contrast

On white

11.11

#372C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#372C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C8A

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372C8A	#FFFFFF	#000000	##FFFFFF
##372C8A	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#024457

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #372c8a;
/* rgb */ color: rgb(55, 44, 138);
/* oklch */ color: oklch(36.8% 0.149 281.5);

Tailwind

colors: {
  custom: {
    50: '#7766ad',
    500: '#372c8a',
    950: '#000000',
  },
}

SCSS

$custom: #372c8a;
$custom-light: #7766ad;
$custom-dark: #000000;

JSON

{
  "hex": "#372c8a",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 138
  },
  "hsl": {
    "h": 247.021,
    "s": 51.648,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36832,
    "c": 0.14927,
    "h": 281.5
  },
  "luminance": 0.04449
}

Semantic roles & 50–950 ramp

primary

#372C8A

secondary

#AAB45E

accent

#DB4DCA

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #372C8A

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

Preview Lab → · Contrast checker → · Palette generator →