#372DB8#372DB8

#372DB8 is a dark, highly saturated blue. Relative luminance 0.061; OKLCH L 41.5% C 0.206 H 275.7°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#372DB8
RGB	rgb(55, 45, 184)
HSL	hsl(244, 61%, 45%)
HSV	hsv(244, 76%, 72%)
CMYK	cmyk(70.1%, 75.5%, 0%, 27.8%)
CIE-LAB	lab(29.78, 47.51, -71.06)
CIE-LCH	lch(29.78, 85.48, 303.77°)
OKLab	oklab(41.53% 0.0206 -0.2054)
OKLCH	oklch(41.53% 0.206 275.7)
XYZ	xyz(11.1628, 6.1486, 45.9366)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372DB8 #AEB82D

analogous

#2D68B8 #372DB8 #7D2DB8

triadic

#372DB8 #B8372D #2DB837

tetradic

#372DB8 #B82D68 #AEB82D #2DB87D

square

#372DB8 #B82D68 #AEB82D #2DB87D

split-complementary

#372DB8 #B87D2D #68B82D

monochromatic

#1A1556 #282187 #372DB8 #584ED4 #8680E0

Accessibility & contrast

On white

9.42

#372DB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#372DB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372DB8

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372DB8	#FFFFFF	#000000	##FFFFFF
##372DB8	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CBC

Deuteranopia (green-blind)

#0040B6

Tritanopia (blue-blind)

#005671

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #372db8;
/* rgb */ color: rgb(55, 45, 184);
/* oklch */ color: oklch(41.5% 0.206 275.7);

Tailwind

colors: {
  custom: {
    50: '#8168cf',
    500: '#372db8',
    950: '#000000',
  },
}

SCSS

$custom: #372db8;
$custom-light: #8168cf;
$custom-dark: #000000;

JSON

{
  "hex": "#372db8",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 184
  },
  "hsl": {
    "h": 244.317,
    "s": 60.699,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41528,
    "c": 0.20647,
    "h": 275.7
  },
  "luminance": 0.0615
}

Semantic roles & 50–950 ramp

primary

#372DB8

secondary

#C3C978

accent

#E444D8

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372DB8

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

Preview Lab → · Contrast checker → · Palette generator →