#372AB8#372AB8

#372AB8 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 41.1% C 0.209 H 276.0°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#372AB8
RGB	rgb(55, 42, 184)
HSL	hsl(245, 63%, 44%)
HSV	hsv(245, 77%, 72%)
CMYK	cmyk(70.1%, 77.2%, 0%, 27.8%)
CIE-LAB	lab(29.23, 49.09, -71.98)
CIE-LCH	lch(29.23, 87.13, 304.30°)
OKLab	oklab(41.14% 0.0221 -0.2081)
OKLCH	oklch(41.14% 0.209 276)
XYZ	xyz(11.0524, 5.9278, 45.8998)
Luminance	0.0593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372AB8 #ABB82A

analogous

#2A64B8 #372AB8 #7E2AB8

triadic

#372AB8 #B8372A #2AB837

tetradic

#372AB8 #B82A64 #ABB82A #2AB87E

square

#372AB8 #B82A64 #ABB82A #2AB87E

split-complementary

#372AB8 #B87E2A #64B82A

monochromatic

#191354 #281F86 #372AB8 #564AD6 #857BE1

Accessibility & contrast

On white

9.61

#372AB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#372AB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372AB8

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372AB8	#FFFFFF	#000000	##FFFFFF
##372AB8	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BBC

Deuteranopia (green-blind)

#003FB6

Tritanopia (blue-blind)

#005470

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #372ab8;
/* rgb */ color: rgb(55, 42, 184);
/* oklch */ color: oklch(41.1% 0.209 276.0);

Tailwind

colors: {
  custom: {
    50: '#8167cf',
    500: '#372ab8',
    950: '#000000',
  },
}

SCSS

$custom: #372ab8;
$custom-light: #8167cf;
$custom-dark: #000000;

JSON

{
  "hex": "#372ab8",
  "rgb": {
    "r": 55,
    "g": 42,
    "b": 184
  },
  "hsl": {
    "h": 245.493,
    "s": 62.832,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41138,
    "c": 0.20925,
    "h": 276
  },
  "luminance": 0.05929
}

Semantic roles & 50–950 ramp

primary

#372AB8

secondary

#C1C975

accent

#E642D7

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #372AB8

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

Preview Lab → · Contrast checker → · Palette generator →