#37173B#37173B

#37173B is a dark, moderate purple. Relative luminance 0.017; OKLCH L 26.9% C 0.076 H 323.1°. Best body text is #FFFFFF at 15.58:1 contrast (WCAG AA passes).

Color values

HEX	#37173B
RGB	rgb(55, 23, 59)
HSL	hsl(293, 44%, 16%)
HSV	hsv(293, 61%, 23%)
CMYK	cmyk(6.8%, 61%, 0%, 76.9%)
CIE-LAB	lab(14.06, 22.43, -16.44)
CIE-LCH	lch(14.06, 27.81, 323.76°)
OKLab	oklab(26.86% 0.0605 -0.0455)
OKLCH	oklch(26.86% 0.076 323.1)
XYZ	xyz(2.6713, 1.7409, 4.3321)
Luminance	0.0174 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37173B #1B3B17

analogous

#25173B #37173B #3B172D

triadic

#37173B #3B3717 #173B37

tetradic

#37173B #3B2517 #1B3B17 #172D3B

square

#37173B #3B2517 #1B3B17 #172D3B

split-complementary

#37173B #2D3B17 #173B25

monochromatic

#150916 #150916 #37173B #602867 #893993

Accessibility & contrast

On white

15.58

#37173B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#37173B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37173B

15.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37173B	#FFFFFF	#000000	##FFFFFF
##37173B	1.00	15.58	1.35	15.58
#FFFFFF	15.58	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12213C

Deuteranopia (green-blind)

#1C253A

Tritanopia (blue-blind)

#381C26

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #37173b;
/* rgb */ color: rgb(55, 23, 59);
/* oklch */ color: oklch(26.9% 0.076 323.1);

Tailwind

colors: {
  custom: {
    50: '#6f5671',
    500: '#37173b',
    950: '#000000',
  },
}

SCSS

$custom: #37173b;
$custom-light: #6f5671;
$custom-dark: #000000;

JSON

{
  "hex": "#37173b",
  "rgb": {
    "r": 55,
    "g": 23,
    "b": 59
  },
  "hsl": {
    "h": 293.333,
    "s": 43.902,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26855,
    "c": 0.07564,
    "h": 323.1
  },
  "luminance": 0.01741
}

Semantic roles & 50–950 ramp

primary

#37173B

secondary

#42723C

accent

#D45462

background

#F6F5F6

surface

#ECE9EC

border

#C7C5C7

text

#070307

muted

#7A787A

Preview Lab

Preview with #37173B

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

Preview Lab → · Contrast checker → · Palette generator →