#37155B#37155B

#37155B is a dark, moderate violet. Relative luminance 0.021; OKLCH L 29.0% C 0.118 H 301.5°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#37155B
RGB	rgb(55, 21, 91)
HSL	hsl(269, 63%, 22%)
HSV	hsv(269, 77%, 36%)
CMYK	cmyk(39.6%, 76.9%, 0%, 64.3%)
CIE-LAB	lab(16.02, 31.91, -35.34)
CIE-LCH	lch(16.02, 47.61, 312.08°)
OKLab	oklab(29.03% 0.0617 -0.1007)
OKLCH	oklch(29.03% 0.118 301.5)
XYZ	xyz(3.7316, 2.1039, 10.1050)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.76

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37155B #395B15

analogous

#15165B #37155B #5A155B

triadic

#37155B #5B3715 #155B37

tetradic

#37155B #5B1516 #395B15 #155B5A

square

#37155B #5B1516 #395B15 #155B5A

split-complementary

#37155B #5B5A15 #165B15

monochromatic

#0F0619 #190A29 #37155B #55208D #732CBE

Accessibility & contrast

On white

14.78

#37155B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#37155B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37155B

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37155B	#FFFFFF	#000000	##FFFFFF
##37155B	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275D

Deuteranopia (green-blind)

#00275A

Tritanopia (blue-blind)

#2F2636

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #37155b;
/* rgb */ color: rgb(55, 21, 91);
/* oklch */ color: oklch(29.0% 0.118 301.5);

Tailwind

colors: {
  custom: {
    50: '#72568a',
    500: '#37155b',
    950: '#000000',
  },
}

SCSS

$custom: #37155b;
$custom-light: #72568a;
$custom-dark: #000000;

JSON

{
  "hex": "#37155b",
  "rgb": {
    "r": 55,
    "g": 21,
    "b": 91
  },
  "hsl": {
    "h": 269.143,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.29027,
    "c": 0.11815,
    "h": 301.5
  },
  "luminance": 0.02104
}

Semantic roles & 50–950 ramp

primary

#37155B

secondary

#679239

accent

#E64296

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #37155B

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

Preview Lab → · Contrast checker → · Palette generator →