#372BB8#372BB8

#372BB8 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 41.3% C 0.208 H 275.9°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#372BB8
RGB	rgb(55, 43, 184)
HSL	hsl(245, 62%, 45%)
HSV	hsv(245, 77%, 72%)
CMYK	cmyk(70.1%, 76.6%, 0%, 27.8%)
CIE-LAB	lab(29.41, 48.57, -71.68)
CIE-LCH	lch(29.41, 86.59, 304.12°)
OKLab	oklab(41.27% 0.0216 -0.2072)
OKLCH	oklch(41.27% 0.208 275.9)
XYZ	xyz(11.0883, 5.9996, 45.9118)
Luminance	0.0600 (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

#372BB8 #ACB82B

analogous

#2B66B8 #372BB8 #7D2BB8

triadic

#372BB8 #B8372B #2BB837

tetradic

#372BB8 #B82B66 #ACB82B #2BB87D

square

#372BB8 #B82B66 #ACB82B #2BB87D

split-complementary

#372BB8 #B87D2B #66B82B

monochromatic

#191455 #281F86 #372BB8 #574BD5 #857DE1

Accessibility & contrast

On white

9.54

#372BB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#372BB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BB8

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BB8	#FFFFFF	#000000	##FFFFFF
##372BB8	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBC

Deuteranopia (green-blind)

#003FB6

Tritanopia (blue-blind)

#005570

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372bb8;
/* rgb */ color: rgb(55, 43, 184);
/* oklch */ color: oklch(41.3% 0.208 275.9);

Tailwind

colors: {
  custom: {
    50: '#8167cf',
    500: '#372bb8',
    950: '#000000',
  },
}

SCSS

$custom: #372bb8;
$custom-light: #8167cf;
$custom-dark: #000000;

JSON

{
  "hex": "#372bb8",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 184
  },
  "hsl": {
    "h": 245.106,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41266,
    "c": 0.20833,
    "h": 275.9
  },
  "luminance": 0.06001
}

Semantic roles & 50–950 ramp

primary

#372BB8

secondary

#C2C976

accent

#E543D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372BB8

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

Preview Lab → · Contrast checker → · Palette generator →