#371B7F#371B7F

#371B7F is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.3% C 0.155 H 287.5°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#371B7F
RGB	rgb(55, 27, 127)
HSL	hsl(257, 65%, 30%)
HSV	hsv(257, 79%, 50%)
CMYK	cmyk(56.7%, 78.7%, 0%, 50.2%)
CIE-LAB	lab(20.55, 39.27, -51.37)
CIE-LCH	lch(20.55, 64.67, 307.40°)
OKLab	oklab(33.27% 0.0466 -0.1478)
OKLCH	oklch(33.27% 0.155 287.5)
XYZ	xyz(5.7971, 3.1281, 20.3729)
Luminance	0.0313 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B7F #637F1B

analogous

#1B317F #371B7F #691B7F

triadic

#371B7F #7F371B #1B7F37

tetradic

#371B7F #7F1B31 #637F1B #1B7F69

square

#371B7F #7F1B31 #637F1B #1B7F69

split-complementary

#371B7F #7F691B #317F1B

monochromatic

#0B061A #21104D #371B7F #4D26B1 #693ED6

Accessibility & contrast

On white

12.92

#371B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#371B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B7F

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B7F	#FFFFFF	#000000	##FFFFFF
##371B7F	1.00	12.92	1.63	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002F7D

Tritanopia (blue-blind)

#18374C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #371b7f;
/* rgb */ color: rgb(55, 27, 127);
/* oklch */ color: oklch(33.3% 0.155 287.5);

Tailwind

colors: {
  custom: {
    50: '#775ba5',
    500: '#371b7f',
    950: '#000000',
  },
}

SCSS

$custom: #371b7f;
$custom-light: #775ba5;
$custom-dark: #000000;

JSON

{
  "hex": "#371b7f",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 127
  },
  "hsl": {
    "h": 256.8,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.3327,
    "c": 0.155,
    "h": 287.5
  },
  "luminance": 0.03128
}

Semantic roles & 50–950 ramp

primary

#371B7F

secondary

#93B343

accent

#E840B9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #371B7F

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

Preview Lab → · Contrast checker → · Palette generator →