#371057#371057

#371057 is a dark, moderate violet. Relative luminance 0.019; OKLCH L 28.0% C 0.120 H 304.6°. Best body text is #FFFFFF at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#371057
RGB	rgb(55, 16, 87)
HSL	hsl(273, 69%, 20%)
HSV	hsv(273, 82%, 34%)
CMYK	cmyk(36.8%, 81.6%, 0%, 65.9%)
CIE-LAB	lab(14.79, 33.30, -34.64)
CIE-LCH	lch(14.79, 48.06, 313.87°)
OKLab	oklab(28.05% 0.068 -0.0987)
OKLCH	oklch(28.05% 0.12 304.6)
XYZ	xyz(3.4807, 1.8709, 9.1927)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 4.73

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371057 #305710

analogous

#141057 #371057 #571053

triadic

#371057 #573710 #105737

tetradic

#371057 #571410 #305710 #105357

square

#371057 #571410 #305710 #105357

split-complementary

#371057 #535710 #105714

monochromatic

#10051A #160623 #371057 #581A8B #7823BE

Accessibility & contrast

On white

15.28

#371057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#371057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371057

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371057	#FFFFFF	#000000	##FFFFFF
##371057	1.00	15.28	1.37	15.28
#FFFFFF	15.28	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002459

Deuteranopia (green-blind)

#002556

Tritanopia (blue-blind)

#312233

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #371057;
/* rgb */ color: rgb(55, 16, 87);
/* oklch */ color: oklch(28.0% 0.120 304.6);

Tailwind

colors: {
  custom: {
    50: '#725387',
    500: '#371057',
    950: '#000000',
  },
}

SCSS

$custom: #371057;
$custom-light: #725387;
$custom-dark: #000000;

JSON

{
  "hex": "#371057",
  "rgb": {
    "r": 55,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 272.958,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28048,
    "c": 0.11984,
    "h": 304.6
  },
  "luminance": 0.01871
}

Semantic roles & 50–950 ramp

primary

#371057

secondary

#5D9032

accent

#EC3C8B

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08030B

muted

#7B787C

Preview Lab

Preview with #371057

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

Preview Lab → · Contrast checker → · Palette generator →