#372D88#372D88

#372D88 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.8% C 0.145 H 281.5°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#372D88
RGB	rgb(55, 45, 136)
HSL	hsl(247, 50%, 35%)
HSV	hsv(247, 67%, 53%)
CMYK	cmyk(59.6%, 66.9%, 0%, 46.7%)
CIE-LAB	lab(25.16, 31.75, -49.49)
CIE-LCH	lch(25.16, 58.80, 302.68°)
OKLab	oklab(36.82% 0.029 -0.1424)
OKLCH	oklch(36.82% 0.145 281.5)
XYZ	xyz(6.9565, 4.4661, 23.7833)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D88 #7E882D

analogous

#2D5188 #372D88 #642D88

triadic

#372D88 #88372D #2D8837

tetradic

#372D88 #882D51 #7E882D #2D8864

square

#372D88 #882D51 #7E882D #2D8864

split-complementary

#372D88 #88642D #51882D

monochromatic

#120F2C #241E5A #372D88 #4A3CB6 #6F64CC

Accessibility & contrast

On white

11.09

#372D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#372D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D88

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D88	#FFFFFF	#000000	##FFFFFF
##372D88	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8B

Deuteranopia (green-blind)

#003886

Tritanopia (blue-blind)

#064456

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #372d88;
/* rgb */ color: rgb(55, 45, 136);
/* oklch */ color: oklch(36.8% 0.145 281.5);

Tailwind

colors: {
  custom: {
    50: '#7767ab',
    500: '#372d88',
    950: '#000000',
  },
}

SCSS

$custom: #372d88;
$custom-light: #7767ab;
$custom-dark: #000000;

JSON

{
  "hex": "#372d88",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 136
  },
  "hsl": {
    "h": 246.593,
    "s": 50.276,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36817,
    "c": 0.14528,
    "h": 281.5
  },
  "luminance": 0.04467
}

Semantic roles & 50–950 ramp

primary

#372D88

secondary

#A9B25F

accent

#DA4ECA

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090610

muted

#7B7A7F

Preview Lab

Preview with #372D88

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

Preview Lab → · Contrast checker → · Palette generator →