#37043B#37043B

#37043B is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.4% C 0.106 H 324.8°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#37043B
RGB	rgb(55, 4, 59)
HSL	hsl(296, 87%, 12%)
HSV	hsv(296, 93%, 23%)
CMYK	cmyk(6.8%, 93.2%, 0%, 76.9%)
CIE-LAB	lab(10.67, 31.91, -21.84)
CIE-LCH	lch(10.67, 38.67, 325.62°)
OKLab	oklab(24.4% 0.0865 -0.061)
OKLCH	oklch(24.4% 0.106 324.8)
XYZ	xyz(2.4083, 1.2150, 4.2445)
Luminance	0.0121 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37043B #083B04

analogous

#1B043B #37043B #3B0424

triadic

#37043B #3B3704 #043B37

tetradic

#37043B #3B1B04 #083B04 #04243B

square

#37043B #3B1B04 #083B04 #04243B

split-complementary

#37043B #243B04 #043B1B

monochromatic

#1B021D #1B021D #37043B #6C0874 #A20CAE

Accessibility & contrast

On white

16.89

#37043B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#37043B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37043B

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37043B	#FFFFFF	#000000	##FFFFFF
##37043B	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#101F3A

Tritanopia (blue-blind)

#380F20

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #37043b;
/* rgb */ color: rgb(55, 4, 59);
/* oklch */ color: oklch(24.4% 0.106 324.8);

Tailwind

colors: {
  custom: {
    50: '#704c71',
    500: '#37043b',
    950: '#000000',
  },
}

SCSS

$custom: #37043b;
$custom-light: #704c71;
$custom-dark: #000000;

JSON

{
  "hex": "#37043b",
  "rgb": {
    "r": 55,
    "g": 4,
    "b": 59
  },
  "hsl": {
    "h": 295.636,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.24405,
    "c": 0.10585,
    "h": 324.8
  },
  "luminance": 0.01215
}

Semantic roles & 50–950 ramp

primary

#37043B

secondary

#257D1E

accent

#FD2A3A

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#080107

muted

#7B777A

Preview Lab

Preview with #37043B

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

Preview Lab → · Contrast checker → · Palette generator →