#391B8A#391B8A

#391B8A is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.6% C 0.168 H 286.0°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#391B8A
RGB	rgb(57, 27, 138)
HSL	hsl(256, 67%, 32%)
HSV	hsv(256, 80%, 54%)
CMYK	cmyk(58.7%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(21.90, 42.82, -56.07)
CIE-LCH	lch(21.90, 70.55, 307.37°)
OKLab	oklab(34.61% 0.0464 -0.1615)
OKLCH	oklch(34.61% 0.168 286)
XYZ	xyz(6.6653, 3.4883, 24.3619)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B8A #6C8A1B

analogous

#1B358A #391B8A #701B8A

triadic

#391B8A #8A391B #1B8A39

tetradic

#391B8A #8A1B35 #6C8A1B #1B8A70

square

#391B8A #8A1B35 #6C8A1B #1B8A70

split-complementary

#391B8A #8A701B #358A1B

monochromatic

#0F0724 #241157 #391B8A #4E25BD #6D45DB

Accessibility & contrast

On white

12.37

#391B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#391B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B8A

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B8A	#FFFFFF	#000000	##FFFFFF
##391B8A	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378D

Deuteranopia (green-blind)

#003188

Tritanopia (blue-blind)

#103C52

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #391b8a;
/* rgb */ color: rgb(57, 27, 138);
/* oklch */ color: oklch(34.6% 0.168 286.0);

Tailwind

colors: {
  custom: {
    50: '#7a5cad',
    500: '#391b8a',
    950: '#000000',
  },
}

SCSS

$custom: #391b8a;
$custom-light: #7a5cad;
$custom-dark: #000000;

JSON

{
  "hex": "#391b8a",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 256.216,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.34608,
    "c": 0.16803,
    "h": 286
  },
  "luminance": 0.03489
}

Semantic roles & 50–950 ramp

primary

#391B8A

secondary

#9CBC45

accent

#EA3EBC

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391B8A

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

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