#372D78#372D78

#372D78 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.4% C 0.123 H 284.3°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#372D78
RGB	rgb(55, 45, 120)
HSL	hsl(248, 45%, 32%)
HSV	hsv(248, 63%, 47%)
CMYK	cmyk(54.2%, 62.5%, 0%, 52.9%)
CIE-LAB	lab(23.82, 26.38, -41.59)
CIE-LCH	lch(23.82, 49.25, 302.38°)
OKLab	oklab(35.42% 0.0303 -0.1191)
OKLCH	oklch(35.42% 0.123 284.3)
XYZ	xyz(5.9031, 4.0447, 18.2353)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D78 #6E782D

analogous

#2D4978 #372D78 #5D2D78

triadic

#372D78 #78372D #2D7837

tetradic

#372D78 #782D49 #6E782D #2D785D

square

#372D78 #782D49 #6E782D #2D785D

split-complementary

#372D78 #785D2D #49782D

monochromatic

#0E0C1F #231C4B #372D78 #4B3EA5 #6B5DC2

Accessibility & contrast

On white

11.61

#372D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#372D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D78

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D78	#FFFFFF	#000000	##FFFFFF
##372D78	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7A

Deuteranopia (green-blind)

#003676

Tritanopia (blue-blind)

#1D3F4E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #372d78;
/* rgb */ color: rgb(55, 45, 120);
/* oklch */ color: oklch(35.4% 0.123 284.3);

Tailwind

colors: {
  custom: {
    50: '#7466a0',
    500: '#372d78',
    950: '#000000',
  },
}

SCSS

$custom: #372d78;
$custom-light: #7466a0;
$custom-dark: #000000;

JSON

{
  "hex": "#372d78",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 120
  },
  "hsl": {
    "h": 248,
    "s": 45.455,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35423,
    "c": 0.12294,
    "h": 284.3
  },
  "luminance": 0.04045
}

Semantic roles & 50–950 ramp

primary

#372D78

secondary

#9EA958

accent

#D553C4

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09060F

muted

#7B7A7E

Preview Lab

Preview with #372D78

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

Preview Lab → · Contrast checker → · Palette generator →