#372FA6#372FA6

#372FA6 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 40.0% C 0.182 H 277.2°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#372FA6
RGB	rgb(55, 47, 166)
HSL	hsl(244, 56%, 42%)
HSV	hsv(244, 72%, 65%)
CMYK	cmyk(66.9%, 71.7%, 0%, 34.9%)
CIE-LAB	lab(28.37, 40.55, -62.62)
CIE-LCH	lch(28.37, 74.60, 302.93°)
OKLab	oklab(39.98% 0.0229 -0.1808)
OKLCH	oklch(39.98% 0.182 277.2)
XYZ	xyz(9.4728, 5.5976, 36.6502)
Luminance	0.0560 (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

#372FA6 #9EA62F

analogous

#2F62A6 #372FA6 #732FA6

triadic

#372FA6 #A6372F #2FA637

tetradic

#372FA6 #A62F62 #9EA62F #2FA673

square

#372FA6 #A62F62 #9EA62F #2FA673

split-complementary

#372FA6 #A6732F #62A62F

monochromatic

#171447 #272176 #372FA6 #5047CB #7D77D8

Accessibility & contrast

On white

9.91

#372FA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#372FA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372FA6

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372FA6	#FFFFFF	#000000	##FFFFFF
##372FA6	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048AA

Deuteranopia (green-blind)

#003EA4

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #372fa6;
/* rgb */ color: rgb(55, 47, 166);
/* oklch */ color: oklch(40.0% 0.182 277.2);

Tailwind

colors: {
  custom: {
    50: '#7d69c2',
    500: '#372fa6',
    950: '#000000',
  },
}

SCSS

$custom: #372fa6;
$custom-light: #7d69c2;
$custom-dark: #000000;

JSON

{
  "hex": "#372fa6",
  "rgb": {
    "r": 55,
    "g": 47,
    "b": 166
  },
  "hsl": {
    "h": 244.034,
    "s": 55.869,
    "l": 41.765
  },
  "oklch": {
    "l": 0.39984,
    "c": 0.18227,
    "h": 277.2
  },
  "luminance": 0.05598
}

Semantic roles & 50–950 ramp

primary

#372FA6

secondary

#BBC170

accent

#DF49D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #372FA6

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

Preview Lab → · Contrast checker → · Palette generator →