#372C99#372C99

#372C99 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.3% C 0.169 H 279.3°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#372C99
RGB	rgb(55, 44, 153)
HSL	hsl(246, 55%, 39%)
HSV	hsv(246, 71%, 60%)
CMYK	cmyk(64.1%, 71.2%, 0%, 40%)
CIE-LAB	lab(26.49, 38.02, -57.82)
CIE-LCH	lch(26.49, 69.20, 303.33°)
OKLab	oklab(38.25% 0.0274 -0.1668)
OKLCH	oklch(38.25% 0.169 279.3)
XYZ	xyz(8.2242, 4.9129, 30.6457)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372C99 #8E992C

analogous

#2C5799 #372C99 #6D2C99

triadic

#372C99 #99372C #2C9937

tetradic

#372C99 #992C57 #8E992C #2C996D

square

#372C99 #992C57 #8E992C #2C996D

split-complementary

#372C99 #996D2C #57992C

monochromatic

#15113A #261E69 #372C99 #493BC7 #766BD4

Accessibility & contrast

On white

10.59

#372C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#372C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372C99

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372C99	#FFFFFF	#000000	##FFFFFF
##372C99	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439C

Deuteranopia (green-blind)

#003A97

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #372c99;
/* rgb */ color: rgb(55, 44, 153);
/* oklch */ color: oklch(38.3% 0.169 279.3);

Tailwind

colors: {
  custom: {
    50: '#7a66b8',
    500: '#372c99',
    950: '#000000',
  },
}

SCSS

$custom: #372c99;
$custom-light: #7a66b8;
$custom-dark: #000000;

JSON

{
  "hex": "#372c99",
  "rgb": {
    "r": 55,
    "g": 44,
    "b": 153
  },
  "hsl": {
    "h": 246.055,
    "s": 55.33,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38253,
    "c": 0.16901,
    "h": 279.3
  },
  "luminance": 0.04913
}

Semantic roles & 50–950 ramp

primary

#372C99

secondary

#B3BB66

accent

#DF49D0

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372C99

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

Preview Lab → · Contrast checker → · Palette generator →