#372B81#372B81

#372B81 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.138 H 283.3°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#372B81
RGB	rgb(55, 43, 129)
HSL	hsl(248, 50%, 34%)
HSV	hsv(248, 67%, 51%)
CMYK	cmyk(57.4%, 66.7%, 0%, 49.4%)
CIE-LAB	lab(24.08, 30.67, -46.86)
CIE-LCH	lch(24.08, 56.00, 303.20°)
OKLab	oklab(35.85% 0.0317 -0.1346)
OKLCH	oklch(35.85% 0.138 283.3)
XYZ	xyz(6.4007, 4.1246, 21.2235)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372B81 #75812B

analogous

#2B4A81 #372B81 #622B81

triadic

#372B81 #81372B #2B8137

tetradic

#372B81 #812B4A #75812B #2B8162

square

#372B81 #812B4A #75812B #2B8162

split-complementary

#372B81 #81622B #4A812B

monochromatic

#100C25 #231C53 #372B81 #4B3AAF #6C5DC9

Accessibility & contrast

On white

11.51

#372B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#372B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372B81

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372B81	#FFFFFF	#000000	##FFFFFF
##372B81	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C84

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#144052

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #372b81;
/* rgb */ color: rgb(55, 43, 129);
/* oklch */ color: oklch(35.8% 0.138 283.3);

Tailwind

colors: {
  custom: {
    50: '#7665a6',
    500: '#372b81',
    950: '#000000',
  },
}

SCSS

$custom: #372b81;
$custom-light: #7665a6;
$custom-dark: #000000;

JSON

{
  "hex": "#372b81",
  "rgb": {
    "r": 55,
    "g": 43,
    "b": 129
  },
  "hsl": {
    "h": 248.372,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.35847,
    "c": 0.13834,
    "h": 283.3
  },
  "luminance": 0.04125
}

Semantic roles & 50–950 ramp

primary

#372B81

secondary

#A3AF59

accent

#DA4EC6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#09050F

muted

#7B7A7F

Preview Lab

Preview with #372B81

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

Preview Lab → · Contrast checker → · Palette generator →