#391B82#391B82

#391B82 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.8% C 0.159 H 288.0°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#391B82
RGB	rgb(57, 27, 130)
HSL	hsl(257, 66%, 31%)
HSV	hsv(257, 79%, 51%)
CMYK	cmyk(56.2%, 79.2%, 0%, 49%)
CIE-LAB	lab(21.08, 40.46, -52.40)
CIE-LCH	lch(21.08, 66.20, 307.67°)
OKLab	oklab(33.78% 0.0489 -0.1508)
OKLCH	oklch(33.78% 0.159 288)
XYZ	xyz(6.1073, 3.2651, 21.4232)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B82 #64821B

analogous

#1B3082 #391B82 #6C1B82

triadic

#391B82 #82391B #1B8239

tetradic

#391B82 #821B30 #64821B #1B826C

square

#391B82 #821B30 #64821B #1B826C

split-complementary

#391B82 #826C1B #30821B

monochromatic

#0D061D #23104F #391B82 #4F26B5 #6C40D7

Accessibility & contrast

On white

12.70

#391B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#391B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B82

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B82	#FFFFFF	#000000	##FFFFFF
##391B82	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003585

Deuteranopia (green-blind)

#003080

Tritanopia (blue-blind)

#1A384E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #391b82;
/* rgb */ color: rgb(57, 27, 130);
/* oklch */ color: oklch(33.8% 0.159 288.0);

Tailwind

colors: {
  custom: {
    50: '#785ba7',
    500: '#391b82',
    950: '#000000',
  },
}

SCSS

$custom: #391b82;
$custom-light: #785ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#391b82",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 257.476,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33783,
    "c": 0.1585,
    "h": 288
  },
  "luminance": 0.03265
}

Semantic roles & 50–950 ramp

primary

#391B82

secondary

#94B643

accent

#E93FB7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391B82

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

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