#37105D#37105D

#37105D is a dark, vivid violet. Relative luminance 0.020; OKLCH L 28.6% C 0.127 H 301.6°. Best body text is #FFFFFF at 15.06:1 contrast (WCAG AA passes).

Color values

HEX	#37105D
RGB	rgb(55, 16, 93)
HSL	hsl(270, 71%, 21%)
HSV	hsv(270, 83%, 36%)
CMYK	cmyk(40.9%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(15.35, 34.90, -37.78)
CIE-LCH	lch(15.35, 51.43, 312.73°)
OKLab	oklab(28.61% 0.0664 -0.1079)
OKLCH	oklch(28.61% 0.127 301.6)
XYZ	xyz(3.7361, 1.9731, 10.5378)
Luminance	0.0197 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.39

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37105D #365D10

analogous

#11105D #37105D #5D105D

triadic

#37105D #5D3710 #105D37

tetradic

#37105D #5D1110 #365D10 #105D5D

square

#37105D #5D1110 #365D10 #105D5D

split-complementary

#37105D #5D5D10 #105D11

monochromatic

#0F041A #180729 #37105D #561991 #7522C5

Accessibility & contrast

On white

15.06

#37105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#37105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37105D

15.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37105D	#FFFFFF	#000000	##FFFFFF
##37105D	1.00	15.06	1.39	15.06
#FFFFFF	15.06	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00265F

Deuteranopia (green-blind)

#00265C

Tritanopia (blue-blind)

#2F2436

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #37105d;
/* rgb */ color: rgb(55, 16, 93);
/* oklch */ color: oklch(28.6% 0.127 301.6);

Tailwind

colors: {
  custom: {
    50: '#72538c',
    500: '#37105d',
    950: '#000000',
  },
}

SCSS

$custom: #37105d;
$custom-light: #72538c;
$custom-dark: #000000;

JSON

{
  "hex": "#37105d",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 270.39,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.28606,
    "c": 0.12667,
    "h": 301.6
  },
  "luminance": 0.01973
}

Semantic roles & 50–950 ramp

primary

#37105D

secondary

#649633

accent

#ED3A93

background

#F7F4F8

surface

#EDE7F0

border

#C8C3CB

text

#08030C

muted

#7B787D

Preview Lab

Preview with #37105D

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

Preview Lab → · Contrast checker → · Palette generator →