#391D8B#391D8B

#391D8B is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.167 H 285.5°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#391D8B
RGB	rgb(57, 29, 139)
HSL	hsl(255, 65%, 33%)
HSV	hsv(255, 79%, 55%)
CMYK	cmyk(59%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(22.35, 42.14, -55.96)
CIE-LCH	lch(22.35, 70.05, 306.98°)
OKLab	oklab(34.95% 0.0447 -0.1612)
OKLCH	oklch(34.95% 0.167 285.5)
XYZ	xyz(6.7855, 3.6123, 24.7608)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391D8B #6F8B1D

analogous

#1D388B #391D8B #701D8B

triadic

#391D8B #8B391D #1D8B39

tetradic

#391D8B #8B1D38 #6F8B1D #1D8B70

square

#391D8B #8B1D38 #6F8B1D #1D8B70

split-complementary

#391D8B #8B701D #388B1D

monochromatic

#0F0826 #241258 #391D8B #4E28BE #6E49D9

Accessibility & contrast

On white

12.19

#391D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#391D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391D8B

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391D8B	#FFFFFF	#000000	##FFFFFF
##391D8B	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#0E3D53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #391d8b;
/* rgb */ color: rgb(57, 29, 139);
/* oklch */ color: oklch(34.9% 0.167 285.5);

Tailwind

colors: {
  custom: {
    50: '#7a5dae',
    500: '#391d8b',
    950: '#000000',
  },
}

SCSS

$custom: #391d8b;
$custom-light: #7a5dae;
$custom-dark: #000000;

JSON

{
  "hex": "#391d8b",
  "rgb": {
    "r": 57,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 255.273,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34949,
    "c": 0.16728,
    "h": 285.5
  },
  "luminance": 0.03613
}

Semantic roles & 50–950 ramp

primary

#391D8B

secondary

#9EBB49

accent

#E83FBD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391D8B

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

Preview Lab → · Contrast checker → · Palette generator →