#37033B#37033B

#37033B is a very dark, moderate purple. Relative luminance 0.012; OKLCH L 24.3% C 0.107 H 324.9°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#37033B
RGB	rgb(55, 3, 59)
HSL	hsl(296, 90%, 12%)
HSV	hsv(296, 95%, 23%)
CMYK	cmyk(6.8%, 94.9%, 0%, 76.9%)
CIE-LAB	lab(10.51, 32.38, -22.09)
CIE-LCH	lch(10.51, 39.20, 325.70°)
OKLab	oklab(24.29% 0.0878 -0.0617)
OKLCH	oklch(24.29% 0.107 324.9)
XYZ	xyz(2.3975, 1.1933, 4.2409)
Luminance	0.0119 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37033B #073B03

analogous

#1B033B #37033B #3B0323

triadic

#37033B #3B3703 #033B37

tetradic

#37033B #3B1B03 #073B03 #03233B

square

#37033B #3B1B03 #073B03 #03233B

split-complementary

#37033B #233B03 #033B1B

monochromatic

#1B011D #1B011D #37033B #6D0675 #A409AF

Accessibility & contrast

On white

16.95

#37033B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#37033B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37033B

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37033B	#FFFFFF	#000000	##FFFFFF
##37033B	1.00	16.95	1.24	16.95
#FFFFFF	16.95	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193C

Deuteranopia (green-blind)

#0F1F3A

Tritanopia (blue-blind)

#380E20

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #37033b;
/* rgb */ color: rgb(55, 3, 59);
/* oklch */ color: oklch(24.3% 0.107 324.9);

Tailwind

colors: {
  custom: {
    50: '#704b71',
    500: '#37033b',
    950: '#000000',
  },
}

SCSS

$custom: #37033b;
$custom-light: #704b71;
$custom-dark: #000000;

JSON

{
  "hex": "#37033b",
  "rgb": {
    "r": 55,
    "g": 3,
    "b": 59
  },
  "hsl": {
    "h": 295.714,
    "s": 90.323,
    "l": 12.157
  },
  "oklch": {
    "l": 0.24293,
    "c": 0.10733,
    "h": 324.9
  },
  "luminance": 0.01193
}

Semantic roles & 50–950 ramp

primary

#37033B

secondary

#237E1C

accent

#FF2938

background

#F7F4F6

surface

#EDE7EC

border

#C8C3C7

text

#080107

muted

#7B777A

Preview Lab

Preview with #37033B

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

Preview Lab → · Contrast checker → · Palette generator →