#372CA2#372CA2

#372CA2 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 39.1% C 0.180 H 278.2°. Best body text is #FFFFFF at 10.27:1 contrast (WCAG AA passes).

Color values

HEX	#372CA2
RGB	rgb(55, 44, 162)
HSL	hsl(246, 57%, 40%)
HSV	hsv(246, 73%, 64%)
CMYK	cmyk(66%, 72.8%, 0%, 36.5%)
CIE-LAB	lab(27.36, 40.98, -61.87)
CIE-LCH	lch(27.36, 74.21, 303.52°)
OKLab	oklab(39.14% 0.0257 -0.1786)
OKLCH	oklch(39.14% 0.18 278.2)
XYZ	xyz(8.9957, 5.2215, 34.7092)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372CA2 #97A22C

analogous

#2C5CA2 #372CA2 #722CA2

triadic

#372CA2 #A2372C #2CA237

tetradic

#372CA2 #A22C5C #97A22C #2CA272

square

#372CA2 #A22C5C #97A22C #2CA272

split-complementary

#372CA2 #A2722C #5CA22C

monochromatic

#161242 #271F72 #372CA2 #4D40CB #7A70D8

Accessibility & contrast

On white

10.27

#372CA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#372CA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372CA2

10.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372CA2	#FFFFFF	#000000	##FFFFFF
##372CA2	1.00	10.27	2.04	10.27
#FFFFFF	10.27	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A5

Deuteranopia (green-blind)

#003CA0

Tritanopia (blue-blind)

#004D64

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #372ca2;
/* rgb */ color: rgb(55, 44, 162);
/* oklch */ color: oklch(39.1% 0.180 278.2);

Tailwind

colors: {
  custom: {
    50: '#7c67bf',
    500: '#372ca2',
    950: '#000000',
  },
}

SCSS

$custom: #372ca2;
$custom-light: #7c67bf;
$custom-dark: #000000;

JSON

{
  "hex": "#372ca2",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 162
  },
  "hsl": {
    "h": 245.593,
    "s": 57.282,
    "l": 40.392
  },
  "oklch": {
    "l": 0.3914,
    "c": 0.18046,
    "h": 278.2
  },
  "luminance": 0.05222
}

Semantic roles & 50–950 ramp

primary

#372CA2

secondary

#B8BF6A

accent

#E147D2

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372CA2

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

Preview Lab → · Contrast checker → · Palette generator →