#371B63#371B63

#371B63 is a dark, moderate violet. Relative luminance 0.025; OKLCH L 30.6% C 0.120 H 296.4°. Best body text is #FFFFFF at 14.01:1 contrast (WCAG AA passes).

Color values

HEX	#371B63
RGB	rgb(55, 27, 99)
HSL	hsl(263, 57%, 25%)
HSV	hsv(263, 73%, 39%)
CMYK	cmyk(44.4%, 72.7%, 0%, 61.2%)
CIE-LAB	lab(17.90, 30.90, -37.60)
CIE-LCH	lch(17.90, 48.66, 309.41°)
OKLab	oklab(30.59% 0.0534 -0.1074)
OKLCH	oklch(30.59% 0.12 296.4)
XYZ	xyz(4.2190, 2.4969, 12.0616)
Luminance	0.0250 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B63 #47631B

analogous

#1B2363 #371B63 #5B1B63

triadic

#371B63 #63371B #1B6337

tetradic

#371B63 #631B23 #47631B #1B635B

square

#371B63 #631B23 #47631B #1B635B

split-complementary

#371B63 #635B1B #23631B

monochromatic

#0D0718 #1C0E33 #371B63 #522893 #6C35C3

Accessibility & contrast

On white

14.01

#371B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#371B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B63

14.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B63	#FFFFFF	#000000	##FFFFFF
##371B63	1.00	14.01	1.50	14.01
#FFFFFF	14.01	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	14.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C65

Deuteranopia (green-blind)

#002B62

Tritanopia (blue-blind)

#2C2C3C

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #371b63;
/* rgb */ color: rgb(55, 27, 99);
/* oklch */ color: oklch(30.6% 0.120 296.4);

Tailwind

colors: {
  custom: {
    50: '#725a90',
    500: '#371b63',
    950: '#000000',
  },
}

SCSS

$custom: #371b63;
$custom-light: #725a90;
$custom-dark: #000000;

JSON

{
  "hex": "#371b63",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 263.333,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.30585,
    "c": 0.11994,
    "h": 296.4
  },
  "luminance": 0.02497
}

Semantic roles & 50–950 ramp

primary

#371B63

secondary

#779841

accent

#E047A5

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#08040C

muted

#7B797D

Preview Lab

Preview with #371B63

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

Preview Lab → · Contrast checker → · Palette generator →