#372D8F#372D8F

#372D8F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.5% C 0.155 H 280.5°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#372D8F
RGB	rgb(55, 45, 143)
HSL	hsl(246, 52%, 37%)
HSV	hsv(246, 69%, 56%)
CMYK	cmyk(61.5%, 68.5%, 0%, 43.9%)
CIE-LAB	lab(25.78, 34.10, -52.82)
CIE-LCH	lch(25.78, 62.87, 302.84°)
OKLab	oklab(37.46% 0.0281 -0.1521)
OKLCH	oklch(37.46% 0.155 280.5)
XYZ	xyz(7.4703, 4.6716, 26.4893)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#372D8F #858F2D

analogous

#2D548F #372D8F #682D8F

triadic

#372D8F #8F372D #2D8F37

tetradic

#372D8F #8F2D54 #858F2D #2D8F68

square

#372D8F #8F2D54 #858F2D #2D8F68

split-complementary

#372D8F #8F682D #548F2D

monochromatic

#131032 #251E60 #372D8F #493CBE #7267CF

Accessibility & contrast

On white

10.86

#372D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#372D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #372D8F

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##372D8F	#FFFFFF	#000000	##FFFFFF
##372D8F	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004192

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#00465A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #372d8f;
/* rgb */ color: rgb(55, 45, 143);
/* oklch */ color: oklch(37.5% 0.155 280.5);

Tailwind

colors: {
  custom: {
    50: '#7867b1',
    500: '#372d8f',
    950: '#000000',
  },
}

SCSS

$custom: #372d8f;
$custom-light: #7867b1;
$custom-dark: #000000;

JSON

{
  "hex": "#372d8f",
  "rgb": {
    "r": 55,
    "g": 45,
    "b": 143
  },
  "hsl": {
    "h": 246.122,
    "s": 52.128,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3746,
    "c": 0.15472,
    "h": 280.5
  },
  "luminance": 0.04672
}

Semantic roles & 50–950 ramp

primary

#372D8F

secondary

#ADB662

accent

#DC4CCD

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #372D8F

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

Preview Lab → · Contrast checker → · Palette generator →