#371B64#371B64

#371B64 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.7% C 0.121 H 296.0°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#371B64
RGB	rgb(55, 27, 100)
HSL	hsl(263, 57%, 25%)
HSV	hsv(263, 73%, 39%)
CMYK	cmyk(45%, 73%, 0%, 60.8%)
CIE-LAB	lab(17.99, 31.19, -38.12)
CIE-LCH	lch(17.99, 49.25, 309.30°)
OKLab	oklab(30.68% 0.0532 -0.1089)
OKLCH	oklch(30.68% 0.121 296)
XYZ	xyz(4.2671, 2.5161, 12.3150)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B64 #48641B

analogous

#1B2364 #371B64 #5C1B64

triadic

#371B64 #64371B #1B6437

tetradic

#371B64 #641B23 #48641B #1B645C

square

#371B64 #641B23 #48641B #1B645C

split-complementary

#371B64 #645C1B #23641B

monochromatic

#0D0718 #1C0E34 #371B64 #522894 #6C35C4

Accessibility & contrast

On white

13.97

#371B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#371B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B64

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B64	#FFFFFF	#000000	##FFFFFF
##371B64	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C66

Deuteranopia (green-blind)

#002B63

Tritanopia (blue-blind)

#2B2D3D

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #371b64;
/* rgb */ color: rgb(55, 27, 100);
/* oklch */ color: oklch(30.7% 0.121 296.0);

Tailwind

colors: {
  custom: {
    50: '#725a91',
    500: '#371b64',
    950: '#000000',
  },
}

SCSS

$custom: #371b64;
$custom-light: #725a91;
$custom-dark: #000000;

JSON

{
  "hex": "#371b64",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 263.014,
    "s": 57.48,
    "l": 24.902
  },
  "oklch": {
    "l": 0.30675,
    "c": 0.12122,
    "h": 296
  },
  "luminance": 0.02516
}

Semantic roles & 50–950 ramp

primary

#371B64

secondary

#789941

accent

#E147A6

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040D

muted

#7B797D

Preview Lab

Preview with #371B64

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

Preview Lab → · Contrast checker → · Palette generator →