#372D80#372D80

#372D80 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.1% C 0.134 H 282.8°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#372D80
RGB	rgb(55, 45, 128)
HSL	hsl(247, 48%, 34%)
HSV	hsv(247, 65%, 50%)
CMYK	cmyk(57%, 64.8%, 0%, 49.8%)
CIE-LAB	lab(24.47, 29.06, -45.59)
CIE-LCH	lch(24.47, 54.07, 302.52°)
OKLab	oklab(36.11% 0.0298 -0.1309)
OKLCH	oklch(36.11% 0.134 282.8)
XYZ	xyz(6.4090, 4.2471, 20.9000)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D80 #76802D

analogous

#2D4D80 #372D80 #612D80

triadic

#372D80 #80372D #2D8037

tetradic

#372D80 #802D4D #76802D #2D8061

square

#372D80 #802D4D #76802D #2D8061

split-complementary

#372D80 #80612D #4D802D

monochromatic

#100D25 #241D53 #372D80 #4A3DAD #6D60C7

Accessibility & contrast

On white

11.35

#372D80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#372D80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D80

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D80	#FFFFFF	#000000	##FFFFFF
##372D80	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D83

Deuteranopia (green-blind)

#00377E

Tritanopia (blue-blind)

#154152

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #372d80;
/* rgb */ color: rgb(55, 45, 128);
/* oklch */ color: oklch(36.1% 0.134 282.8);

Tailwind

colors: {
  custom: {
    50: '#7566a6',
    500: '#372d80',
    950: '#000000',
  },
}

SCSS

$custom: #372d80;
$custom-light: #7566a6;
$custom-dark: #000000;

JSON

{
  "hex": "#372d80",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 128
  },
  "hsl": {
    "h": 247.229,
    "s": 47.977,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36107,
    "c": 0.13425,
    "h": 282.8
  },
  "luminance": 0.04248
}

Semantic roles & 50–950 ramp

primary

#372D80

secondary

#A4AE5B

accent

#D850C7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #372D80

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

Preview Lab → · Contrast checker → · Palette generator →