#37187C#37187C

#37187C is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.6% C 0.154 H 288.8°. Best body text is #FFFFFF at 13.26:1 contrast (WCAG AA passes).

Color values

HEX	#37187C
RGB	rgb(55, 24, 124)
HSL	hsl(259, 68%, 29%)
HSV	hsv(259, 81%, 49%)
CMYK	cmyk(55.6%, 80.6%, 0%, 51.4%)
CIE-LAB	lab(19.72, 39.88, -50.83)
CIE-LCH	lch(19.72, 64.60, 308.12°)
OKLab	oklab(32.6% 0.0498 -0.1462)
OKLCH	oklch(32.6% 0.154 288.8)
XYZ	xyz(5.5392, 2.9205, 19.3367)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37187C #5D7C18

analogous

#182B7C #37187C #69187C

triadic

#37187C #7C3718 #187C37

tetradic

#37187C #7C182B #5D7C18 #187C69

square

#37187C #7C182B #5D7C18 #187C69

split-complementary

#37187C #7C6918 #2B7C18

monochromatic

#0B051A #200E49 #37187C #4E22AF #6836D8

Accessibility & contrast

On white

13.26

#37187C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#37187C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37187C

13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37187C	#FFFFFF	#000000	##FFFFFF
##37187C	1.00	13.26	1.58	13.26
#FFFFFF	13.26	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327F

Deuteranopia (green-blind)

#002D7A

Tritanopia (blue-blind)

#1B354A

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #37187c;
/* rgb */ color: rgb(55, 24, 124);
/* oklch */ color: oklch(32.6% 0.154 288.8);

Tailwind

colors: {
  custom: {
    50: '#7759a3',
    500: '#37187c',
    950: '#000000',
  },
}

SCSS

$custom: #37187c;
$custom-light: #7759a3;
$custom-dark: #000000;

JSON

{
  "hex": "#37187c",
  "rgb": {
    "r": 55,
    "g": 24,
    "b": 124
  },
  "hsl": {
    "h": 258.6,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32599,
    "c": 0.15446,
    "h": 288.8
  },
  "luminance": 0.02921
}

Semantic roles & 50–950 ramp

primary

#37187C

secondary

#8DB13F

accent

#EA3DB5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #37187C

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

Preview Lab → · Contrast checker → · Palette generator →