#391B84#391B84

#391B84 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 34.0% C 0.161 H 287.5°. Best body text is #FFFFFF at 12.62:1 contrast (WCAG AA passes).

Color values

HEX	#391B84
RGB	rgb(57, 27, 132)
HSL	hsl(257, 66%, 31%)
HSV	hsv(257, 80%, 52%)
CMYK	cmyk(56.8%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(21.28, 41.05, -53.33)
CIE-LCH	lch(21.28, 67.30, 307.59°)
OKLab	oklab(33.99% 0.0483 -0.1535)
OKLCH	oklch(33.99% 0.161 287.5)
XYZ	xyz(6.2429, 3.3193, 22.1371)
Luminance	0.0332 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B84 #66841B

analogous

#1B3184 #391B84 #6D1B84

triadic

#391B84 #84391B #1B8439

tetradic

#391B84 #841B31 #66841B #1B846D

square

#391B84 #841B31 #66841B #1B846D

split-complementary

#391B84 #846D1B #31841B

monochromatic

#0D061E #231151 #391B84 #4F25B7 #6C41D8

Accessibility & contrast

On white

12.62

#391B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#391B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B84

12.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B84	#FFFFFF	#000000	##FFFFFF
##391B84	1.00	12.62	1.66	12.62
#FFFFFF	12.62	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003587

Deuteranopia (green-blind)

#003082

Tritanopia (blue-blind)

#18394F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #391b84;
/* rgb */ color: rgb(57, 27, 132);
/* oklch */ color: oklch(34.0% 0.161 287.5);

Tailwind

colors: {
  custom: {
    50: '#795ba9',
    500: '#391b84',
    950: '#000000',
  },
}

SCSS

$custom: #391b84;
$custom-light: #795ba9;
$custom-dark: #000000;

JSON

{
  "hex": "#391b84",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 257.143,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33987,
    "c": 0.16089,
    "h": 287.5
  },
  "luminance": 0.0332
}

Semantic roles & 50–950 ramp

primary

#391B84

secondary

#96B743

accent

#E93FB8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391B84

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

Preview Lab → · Contrast checker → · Palette generator →