#391D8A#391D8A

#391D8A is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.166 H 285.7°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#391D8A
RGB	rgb(57, 29, 138)
HSL	hsl(255, 65%, 33%)
HSV	hsv(255, 79%, 54%)
CMYK	cmyk(58.7%, 79%, 0%, 45.9%)
CIE-LAB	lab(22.24, 41.84, -55.51)
CIE-LCH	lch(22.24, 69.51, 307.01°)
OKLab	oklab(34.85% 0.045 -0.1599)
OKLCH	oklch(34.85% 0.166 285.7)
XYZ	xyz(6.7128, 3.5832, 24.3777)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391D8A #6E8A1D

analogous

#1D378A #391D8A #6F1D8A

triadic

#391D8A #8A391D #1D8A39

tetradic

#391D8A #8A1D37 #6E8A1D #1D8A6F

square

#391D8A #8A1D37 #6E8A1D #1D8A6F

split-complementary

#391D8A #8A6F1D #378A1D

monochromatic

#0F0825 #241257 #391D8A #4E28BD #6E49D9

Accessibility & contrast

On white

12.23

#391D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#391D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391D8A

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391D8A	#FFFFFF	#000000	##FFFFFF
##391D8A	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388D

Deuteranopia (green-blind)

#003288

Tritanopia (blue-blind)

#103C53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #391d8a;
/* rgb */ color: rgb(57, 29, 138);
/* oklch */ color: oklch(34.8% 0.166 285.7);

Tailwind

colors: {
  custom: {
    50: '#7a5dad',
    500: '#391d8a',
    950: '#000000',
  },
}

SCSS

$custom: #391d8a;
$custom-light: #7a5dad;
$custom-dark: #000000;

JSON

{
  "hex": "#391d8a",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 138
  },
  "hsl": {
    "h": 255.413,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34846,
    "c": 0.16608,
    "h": 285.7
  },
  "luminance": 0.03584
}

Semantic roles & 50–950 ramp

primary

#391D8A

secondary

#9DBB48

accent

#E840BD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391D8A

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

Preview Lab → · Contrast checker → · Palette generator →