#371B76#371B76

#371B76 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.144 H 290.0°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#371B76
RGB	rgb(55, 27, 118)
HSL	hsl(258, 63%, 28%)
HSV	hsv(258, 77%, 46%)
CMYK	cmyk(53.4%, 77.1%, 0%, 53.7%)
CIE-LAB	lab(19.65, 36.57, -47.10)
CIE-LCH	lch(19.65, 59.63, 307.83°)
OKLab	oklab(32.37% 0.0491 -0.1353)
OKLCH	oklch(32.37% 0.144 290)
XYZ	xyz(5.2366, 2.9039, 17.4206)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B76 #5A761B

analogous

#1B2C76 #371B76 #641B76

triadic

#371B76 #76371B #1B7637

tetradic

#371B76 #761B2C #5A761B #1B7664

square

#371B76 #761B2C #5A761B #1B7664

split-complementary

#371B76 #76641B #2C761B

monochromatic

#0C0619 #201044 #371B76 #4E26A8 #683AD2

Accessibility & contrast

On white

13.28

#371B76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#371B76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B76

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B76	#FFFFFF	#000000	##FFFFFF
##371B76	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003179

Deuteranopia (green-blind)

#002D74

Tritanopia (blue-blind)

#203447

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #371b76;
/* rgb */ color: rgb(55, 27, 118);
/* oklch */ color: oklch(32.4% 0.144 290.0);

Tailwind

colors: {
  custom: {
    50: '#755a9e',
    500: '#371b76',
    950: '#000000',
  },
}

SCSS

$custom: #371b76;
$custom-light: #755a9e;
$custom-dark: #000000;

JSON

{
  "hex": "#371b76",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 118
  },
  "hsl": {
    "h": 258.462,
    "s": 62.759,
    "l": 28.431
  },
  "oklch": {
    "l": 0.32369,
    "c": 0.14395,
    "h": 290
  },
  "luminance": 0.02904
}

Semantic roles & 50–950 ramp

primary

#371B76

secondary

#8AAA42

accent

#E642B3

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #371B76

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

Preview Lab → · Contrast checker → · Palette generator →