#372B8B#372B8B

#372B8B is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.8% C 0.152 H 281.6°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#372B8B
RGB	rgb(55, 43, 139)
HSL	hsl(248, 53%, 36%)
HSV	hsv(248, 69%, 55%)
CMYK	cmyk(60.4%, 69.1%, 0%, 45.5%)
CIE-LAB	lab(24.96, 33.99, -51.67)
CIE-LCH	lch(24.96, 61.85, 303.34°)
OKLab	oklab(36.76% 0.0305 -0.1488)
OKLCH	oklch(36.76% 0.152 281.6)
XYZ	xyz(7.0982, 4.4036, 24.8970)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B8B #7F8B2B

analogous

#2B4F8B #372B8B #672B8B

triadic

#372B8B #8B372B #2B8B37

tetradic

#372B8B #8B2B4F #7F8B2B #2B8B67

square

#372B8B #8B2B4F #7F8B2B #2B8B67

split-complementary

#372B8B #8B672B #4F8B2B

monochromatic

#120E2E #251D5C #372B8B #4939BA #7062CE

Accessibility & contrast

On white

11.17

#372B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#372B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B8B

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B8B	#FFFFFF	#000000	##FFFFFF
##372B8B	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8E

Deuteranopia (green-blind)

#003889

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #372b8b;
/* rgb */ color: rgb(55, 43, 139);
/* oklch */ color: oklch(36.8% 0.152 281.6);

Tailwind

colors: {
  custom: {
    50: '#7865ae',
    500: '#372b8b',
    950: '#000000',
  },
}

SCSS

$custom: #372b8b;
$custom-light: #7865ae;
$custom-dark: #000000;

JSON

{
  "hex": "#372b8b",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 139
  },
  "hsl": {
    "h": 247.5,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36761,
    "c": 0.15186,
    "h": 281.6
  },
  "luminance": 0.04404
}

Semantic roles & 50–950 ramp

primary

#372B8B

secondary

#AAB55D

accent

#DC4CCA

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #372B8B

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

Preview Lab → · Contrast checker → · Palette generator →