#372FA7#372FA7

#372FA7 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.1% C 0.184 H 277.1°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#372FA7
RGB	rgb(55, 47, 167)
HSL	hsl(244, 56%, 42%)
HSV	hsv(244, 72%, 65%)
CMYK	cmyk(67.1%, 71.9%, 0%, 34.5%)
CIE-LAB	lab(28.47, 40.88, -63.06)
CIE-LCH	lch(28.47, 75.15, 302.96°)
OKLab	oklab(40.08% 0.0228 -0.1821)
OKLCH	oklch(40.08% 0.184 277.1)
XYZ	xyz(9.5648, 5.6345, 37.1352)
Luminance	0.0563 (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

#372FA7 #9FA72F

analogous

#2F63A7 #372FA7 #732FA7

triadic

#372FA7 #A7372F #2FA737

tetradic

#372FA7 #A72F63 #9FA72F #2FA773

square

#372FA7 #A72F63 #9FA72F #2FA773

split-complementary

#372FA7 #A7732F #63A72F

monochromatic

#181447 #272277 #372FA7 #5148CB #7E78D9

Accessibility & contrast

On white

9.87

#372FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#372FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FA7

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FA7	#FFFFFF	#000000	##FFFFFF
##372FA7	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AB

Deuteranopia (green-blind)

#003EA5

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372fa7;
/* rgb */ color: rgb(55, 47, 167);
/* oklch */ color: oklch(40.1% 0.184 277.1);

Tailwind

colors: {
  custom: {
    50: '#7d69c2',
    500: '#372fa7',
    950: '#000000',
  },
}

SCSS

$custom: #372fa7;
$custom-light: #7d69c2;
$custom-dark: #000000;

JSON

{
  "hex": "#372fa7",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 167
  },
  "hsl": {
    "h": 244,
    "s": 56.075,
    "l": 41.961
  },
  "oklch": {
    "l": 0.40082,
    "c": 0.18354,
    "h": 277.1
  },
  "luminance": 0.05635
}

Semantic roles & 50–950 ramp

primary

#372FA7

secondary

#BCC171

accent

#DF48D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #372FA7

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

Preview Lab → · Contrast checker → · Palette generator →