#372C81#372C81

#372C81 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 36.0% C 0.137 H 283.0°. Best body text is #FFFFFF at 11.41:1 contrast (WCAG AA passes).

Color values

HEX	#372C81
RGB	rgb(55, 44, 129)
HSL	hsl(248, 49%, 34%)
HSV	hsv(248, 66%, 51%)
CMYK	cmyk(57.4%, 65.9%, 0%, 49.4%)
CIE-LAB	lab(24.32, 30.04, -46.47)
CIE-LCH	lch(24.32, 55.33, 302.87°)
OKLab	oklab(36.02% 0.0307 -0.1335)
OKLCH	oklch(36.02% 0.137 283)
XYZ	xyz(6.4375, 4.1982, 21.2357)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372C81 #76812C

analogous

#2C4C81 #372C81 #622C81

triadic

#372C81 #81372C #2C8137

tetradic

#372C81 #812C4C #76812C #2C8162

square

#372C81 #812C4C #76812C #2C8162

split-complementary

#372C81 #81622C #4C812C

monochromatic

#100D26 #241C53 #372C81 #4A3CAF #6D5FC8

Accessibility & contrast

On white

11.41

#372C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#372C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C81

11.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372C81	#FFFFFF	#000000	##FFFFFF
##372C81	1.00	11.41	1.84	11.41
#FFFFFF	11.41	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#144152

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #372c81;
/* rgb */ color: rgb(55, 44, 129);
/* oklch */ color: oklch(36.0% 0.137 283.0);

Tailwind

colors: {
  custom: {
    50: '#7666a6',
    500: '#372c81',
    950: '#000000',
  },
}

SCSS

$custom: #372c81;
$custom-light: #7666a6;
$custom-dark: #000000;

JSON

{
  "hex": "#372c81",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 129
  },
  "hsl": {
    "h": 247.765,
    "s": 49.133,
    "l": 33.922
  },
  "oklch": {
    "l": 0.36019,
    "c": 0.137,
    "h": 283
  },
  "luminance": 0.04199
}

Semantic roles & 50–950 ramp

primary

#372C81

secondary

#A4AF5A

accent

#D94FC7

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09060F

muted

#7B7A7F

Preview Lab

Preview with #372C81

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

Preview Lab → · Contrast checker → · Palette generator →