#372BA0#372BA0

#372BA0 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.8% C 0.179 H 278.6°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#372BA0
RGB	rgb(55, 43, 160)
HSL	hsl(246, 58%, 40%)
HSV	hsv(246, 73%, 63%)
CMYK	cmyk(65.6%, 73.1%, 0%, 37.3%)
CIE-LAB	lab(26.95, 40.90, -61.32)
CIE-LCH	lch(26.95, 73.71, 303.70°)
OKLab	oklab(38.79% 0.0268 -0.177)
OKLCH	oklch(38.79% 0.179 278.6)
XYZ	xyz(8.7825, 5.0773, 33.7681)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372BA0 #94A02B

analogous

#2B59A0 #372BA0 #722BA0

triadic

#372BA0 #A0372B #2BA037

tetradic

#372BA0 #A02B59 #94A02B #2BA072

square

#372BA0 #A02B59 #94A02B #2BA072

split-complementary

#372BA0 #A0722B #59A02B

monochromatic

#161140 #261E70 #372BA0 #4C3DCB #786ED8

Accessibility & contrast

On white

10.42

#372BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#372BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372BA0

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372BA0	#FFFFFF	#000000	##FFFFFF
##372BA0	1.00	10.42	2.02	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A3

Deuteranopia (green-blind)

#003B9E

Tritanopia (blue-blind)

#004C63

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #372ba0;
/* rgb */ color: rgb(55, 43, 160);
/* oklch */ color: oklch(38.8% 0.179 278.6);

Tailwind

colors: {
  custom: {
    50: '#7c66bd',
    500: '#372ba0',
    950: '#000000',
  },
}

SCSS

$custom: #372ba0;
$custom-light: #7c66bd;
$custom-dark: #000000;

JSON

{
  "hex": "#372ba0",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 160
  },
  "hsl": {
    "h": 246.154,
    "s": 57.635,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38794,
    "c": 0.17902,
    "h": 278.6
  },
  "luminance": 0.05078
}

Semantic roles & 50–950 ramp

primary

#372BA0

secondary

#B6BF68

accent

#E147D1

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372BA0

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

Preview Lab → · Contrast checker → · Palette generator →