#37188D#37188D

#37188D is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.4% C 0.174 H 284.7°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#37188D
RGB	rgb(55, 24, 141)
HSL	hsl(256, 71%, 32%)
HSV	hsv(256, 83%, 55%)
CMYK	cmyk(61%, 83%, 0%, 44.7%)
CIE-LAB	lab(21.54, 44.84, -58.55)
CIE-LCH	lch(21.54, 73.75, 307.44°)
OKLab	oklab(34.4% 0.0441 -0.1688)
OKLCH	oklch(34.4% 0.174 284.7)
XYZ	xyz(6.7084, 3.3881, 25.4946)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37188D #6E8D18

analogous

#18348D #37188D #71188D

triadic

#37188D #8D3718 #188D37

tetradic

#37188D #8D1834 #6E8D18 #188D71

square

#37188D #8D1834 #6E8D18 #188D71

split-complementary

#37188D #8D7118 #348D18

monochromatic

#0E0624 #230F59 #37188D #4B21C1 #6B41DF

Accessibility & contrast

On white

12.52

#37188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#37188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37188D

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37188D	#FFFFFF	#000000	##FFFFFF
##37188D	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003790

Deuteranopia (green-blind)

#00308B

Tritanopia (blue-blind)

#003C53

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #37188d;
/* rgb */ color: rgb(55, 24, 141);
/* oklch */ color: oklch(34.4% 0.174 284.7);

Tailwind

colors: {
  custom: {
    50: '#7a5ab0',
    500: '#37188d',
    950: '#000000',
  },
}

SCSS

$custom: #37188d;
$custom-light: #7a5ab0;
$custom-dark: #000000;

JSON

{
  "hex": "#37188d",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 255.897,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.344,
    "c": 0.17443,
    "h": 284.7
  },
  "luminance": 0.03389
}

Semantic roles & 50–950 ramp

primary

#37188D

secondary

#9EBF42

accent

#EE3ABE

background

#F7F5FA

surface

#EEE9F5

border

#C9C5CF

text

#0A0411

muted

#7C7980

Preview Lab

Preview with #37188D

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

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