#37366B#37366B

#37366B is a dark, moderate blue. Relative luminance 0.045; OKLCH L 36.2% C 0.090 H 281.8°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#37366B
RGB	rgb(55, 54, 107)
HSL	hsl(241, 33%, 32%)
HSV	hsv(241, 50%, 42%)
CMYK	cmyk(48.6%, 49.5%, 0%, 58%)
CIE-LAB	lab(25.30, 15.95, -30.90)
CIE-LCH	lch(25.30, 34.77, 297.31°)
OKLab	oklab(36.23% 0.0183 -0.0877)
OKLCH	oklch(36.23% 0.09 281.8)
XYZ	xyz(5.5478, 4.5118, 14.4856)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37366B #6A6B36

analogous

#36506B #37366B #52366B

triadic

#37366B #6B3736 #366B37

tetradic

#37366B #6B3650 #6A6B36 #366B52

square

#37366B #6B3650 #6A6B36 #366B52

split-complementary

#37366B #6B5236 #506B36

monochromatic

#0D0D1A #222142 #37366B #4C4B94 #6A68B3

Accessibility & contrast

On white

11.04

#37366B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#37366B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37366B

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37366B	#FFFFFF	#000000	##FFFFFF
##37366B	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203E6D

Deuteranopia (green-blind)

#1D3A6A

Tritanopia (blue-blind)

#25414B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #37366b;
/* rgb */ color: rgb(55, 54, 107);
/* oklch */ color: oklch(36.2% 0.090 281.8);

Tailwind

colors: {
  custom: {
    50: '#716d96',
    500: '#37366b',
    950: '#000000',
  },
}

SCSS

$custom: #37366b;
$custom-light: #716d96;
$custom-dark: #000000;

JSON

{
  "hex": "#37366b",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 107
  },
  "hsl": {
    "h": 241.132,
    "s": 32.919,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36226,
    "c": 0.08957,
    "h": 281.8
  },
  "luminance": 0.04512
}

Semantic roles & 50–950 ramp

primary

#37366B

secondary

#9A9C61

accent

#C95FC7

background

#F7F6F9

surface

#EDEBF2

border

#C8C6CC

text

#08070D

muted

#7B7A7E

Preview Lab

Preview with #37366B

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

Preview Lab → · Contrast checker → · Palette generator →