#391B83#391B83

#391B83 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.9% C 0.160 H 287.7°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#391B83
RGB	rgb(57, 27, 131)
HSL	hsl(257, 66%, 31%)
HSV	hsv(257, 79%, 51%)
CMYK	cmyk(56.5%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(21.18, 40.75, -52.86)
CIE-LCH	lch(21.18, 66.75, 307.63°)
OKLab	oklab(33.89% 0.0486 -0.1521)
OKLCH	oklch(33.89% 0.16 287.7)
XYZ	xyz(6.1748, 3.2921, 21.7784)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B83 #65831B

analogous

#1B3183 #391B83 #6D1B83

triadic

#391B83 #83391B #1B8339

tetradic

#391B83 #831B31 #65831B #1B836D

square

#391B83 #831B31 #65831B #1B836D

split-complementary

#391B83 #836D1B #31831B

monochromatic

#0D061E #231150 #391B83 #4F25B6 #6C41D8

Accessibility & contrast

On white

12.66

#391B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#391B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B83

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B83	#FFFFFF	#000000	##FFFFFF
##391B83	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003586

Deuteranopia (green-blind)

#003081

Tritanopia (blue-blind)

#19394E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #391b83;
/* rgb */ color: rgb(57, 27, 131);
/* oklch */ color: oklch(33.9% 0.160 287.7);

Tailwind

colors: {
  custom: {
    50: '#795ba8',
    500: '#391b83',
    950: '#000000',
  },
}

SCSS

$custom: #391b83;
$custom-light: #795ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#391b83",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 257.308,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.33885,
    "c": 0.1597,
    "h": 287.7
  },
  "luminance": 0.03292
}

Semantic roles & 50–950 ramp

primary

#391B83

secondary

#95B643

accent

#E93FB8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391B83

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

Preview Lab → · Contrast checker → · Palette generator →