#372B8A#372B8A

#372B8A is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.7% C 0.151 H 281.7°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#372B8A
RGB	rgb(55, 43, 138)
HSL	hsl(248, 52%, 35%)
HSV	hsv(248, 69%, 54%)
CMYK	cmyk(60.1%, 68.8%, 0%, 45.9%)
CIE-LAB	lab(24.87, 33.66, -51.20)
CIE-LCH	lch(24.87, 61.27, 303.32°)
OKLab	oklab(36.67% 0.0306 -0.1474)
OKLCH	oklch(36.67% 0.151 281.7)
XYZ	xyz(7.0254, 4.3745, 24.5140)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B8A #7E8A2B

analogous

#2B4E8A #372B8A #662B8A

triadic

#372B8A #8A372B #2B8A37

tetradic

#372B8A #8A2B4E #7E8A2B #2B8A66

square

#372B8A #8A2B4E #7E8A2B #2B8A66

split-complementary

#372B8A #8A662B #4E8A2B

monochromatic

#120E2D #241C5B #372B8A #4A3AB9 #6F61CE

Accessibility & contrast

On white

11.20

#372B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#372B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B8A

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B8A	#FFFFFF	#000000	##FFFFFF
##372B8A	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8D

Deuteranopia (green-blind)

#003888

Tritanopia (blue-blind)

#024456

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #372b8a;
/* rgb */ color: rgb(55, 43, 138);
/* oklch */ color: oklch(36.7% 0.151 281.7);

Tailwind

colors: {
  custom: {
    50: '#7765ad',
    500: '#372b8a',
    950: '#000000',
  },
}

SCSS

$custom: #372b8a;
$custom-light: #7765ad;
$custom-dark: #000000;

JSON

{
  "hex": "#372b8a",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 138
  },
  "hsl": {
    "h": 247.579,
    "s": 52.486,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36667,
    "c": 0.15052,
    "h": 281.7
  },
  "luminance": 0.04375
}

Semantic roles & 50–950 ramp

primary

#372B8A

secondary

#A9B45D

accent

#DC4CCA

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #372B8A

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

Preview Lab → · Contrast checker → · Palette generator →