#372C78#372C78

#372C78 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.2% C 0.124 H 284.6°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#372C78
RGB	rgb(55, 44, 120)
HSL	hsl(249, 46%, 32%)
HSV	hsv(249, 63%, 47%)
CMYK	cmyk(54.2%, 63.3%, 0%, 52.9%)
CIE-LAB	lab(23.57, 27.03, -41.99)
CIE-LCH	lch(23.57, 49.94, 302.77°)
OKLab	oklab(35.24% 0.0314 -0.1203)
OKLCH	oklch(35.24% 0.124 284.6)
XYZ	xyz(5.8654, 3.9693, 18.2228)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372C78 #6D782C

analogous

#2C4778 #372C78 #5D2C78

triadic

#372C78 #78372C #2C7837

tetradic

#372C78 #782C47 #6D782C #2C785D

square

#372C78 #782C47 #6D782C #2C785D

split-complementary

#372C78 #785D2C #47782C

monochromatic

#0E0B1E #221C4B #372C78 #4C3CA5 #6A5BC3

Accessibility & contrast

On white

11.71

#372C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#372C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C78

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372C78	#FFFFFF	#000000	##FFFFFF
##372C78	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7A

Deuteranopia (green-blind)

#003676

Tritanopia (blue-blind)

#1D3E4D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #372c78;
/* rgb */ color: rgb(55, 44, 120);
/* oklch */ color: oklch(35.2% 0.124 284.6);

Tailwind

colors: {
  custom: {
    50: '#7465a0',
    500: '#372c78',
    950: '#000000',
  },
}

SCSS

$custom: #372c78;
$custom-light: #7465a0;
$custom-dark: #000000;

JSON

{
  "hex": "#372c78",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 120
  },
  "hsl": {
    "h": 248.684,
    "s": 46.341,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3524,
    "c": 0.12437,
    "h": 284.6
  },
  "luminance": 0.0397
}

Semantic roles & 50–950 ramp

primary

#372C78

secondary

#9DA957

accent

#D652C3

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#09060F

muted

#7B7A7E

Preview Lab

Preview with #372C78

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

Preview Lab → · Contrast checker → · Palette generator →