#37188A#37188A

#37188A is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.1% C 0.171 H 285.3°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#37188A
RGB	rgb(55, 24, 138)
HSL	hsl(256, 70%, 32%)
HSV	hsv(256, 83%, 54%)
CMYK	cmyk(60.1%, 82.6%, 0%, 45.9%)
CIE-LAB	lab(21.21, 43.97, -57.22)
CIE-LCH	lch(21.21, 72.16, 307.54°)
OKLab	oklab(34.08% 0.0452 -0.1649)
OKLCH	oklch(34.08% 0.171 285.3)
XYZ	xyz(6.4882, 3.3001, 24.3349)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37188A #6B8A18

analogous

#18328A #37188A #70188A

triadic

#37188A #8A3718 #188A37

tetradic

#37188A #8A1832 #6B8A18 #188A70

square

#37188A #8A1832 #6B8A18 #188A70

split-complementary

#37188A #8A7018 #328A18

monochromatic

#0D0622 #220F56 #37188A #4C21BE #6A3FDE

Accessibility & contrast

On white

12.65

#37188A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#37188A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37188A

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37188A	#FFFFFF	#000000	##FFFFFF
##37188A	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368D

Deuteranopia (green-blind)

#002F88

Tritanopia (blue-blind)

#063A52

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #37188a;
/* rgb */ color: rgb(55, 24, 138);
/* oklch */ color: oklch(34.1% 0.171 285.3);

Tailwind

colors: {
  custom: {
    50: '#795aad',
    500: '#37188a',
    950: '#000000',
  },
}

SCSS

$custom: #37188a;
$custom-light: #795aad;
$custom-dark: #000000;

JSON

{
  "hex": "#37188a",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 138
  },
  "hsl": {
    "h": 256.316,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.34076,
    "c": 0.17094,
    "h": 285.3
  },
  "luminance": 0.033
}

Semantic roles & 50–950 ramp

primary

#37188A

secondary

#9BBD40

accent

#ED3BBD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #37188A

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

Preview Lab → · Contrast checker → · Palette generator →