#372A7D#372A7D

#372A7D is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.3% C 0.134 H 284.3°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#372A7D
RGB	rgb(55, 42, 125)
HSL	hsl(249, 50%, 33%)
HSV	hsv(249, 66%, 49%)
CMYK	cmyk(56%, 66.4%, 0%, 51%)
CIE-LAB	lab(23.50, 29.97, -45.28)
CIE-LCH	lch(23.50, 54.30, 303.50°)
OKLab	oklab(35.32% 0.0332 -0.13)
OKLCH	oklch(35.32% 0.134 284.3)
XYZ	xyz(6.1041, 3.9485, 19.8385)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372A7D #707D2A

analogous

#2A467D #372A7D #612A7D

triadic

#372A7D #7D372A #2A7D37

tetradic

#372A7D #7D2A46 #707D2A #2A7D61

square

#372A7D #7D2A46 #707D2A #2A7D61

split-complementary

#372A7D #7D612A #467D2A

monochromatic

#0F0B21 #231B4F #372A7D #4B39AB #6B5AC8

Accessibility & contrast

On white

11.73

#372A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#372A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372A7D

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372A7D	#FFFFFF	#000000	##FFFFFF
##372A7D	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#193E4F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #372a7d;
/* rgb */ color: rgb(55, 42, 125);
/* oklch */ color: oklch(35.3% 0.134 284.3);

Tailwind

colors: {
  custom: {
    50: '#7564a3',
    500: '#372a7d',
    950: '#000000',
  },
}

SCSS

$custom: #372a7d;
$custom-light: #7564a3;
$custom-dark: #000000;

JSON

{
  "hex": "#372a7d",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 125
  },
  "hsl": {
    "h": 249.398,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3532,
    "c": 0.13417,
    "h": 284.3
  },
  "luminance": 0.03949
}

Semantic roles & 50–950 ramp

primary

#372A7D

secondary

#9FAD56

accent

#D94FC4

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09050F

muted

#7B7A7F

Preview Lab

Preview with #372A7D

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

Preview Lab → · Contrast checker → · Palette generator →