#391C8B#391C8B

#391C8B is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.168 H 285.7°. Best body text is #FFFFFF at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#391C8B
RGB	rgb(57, 28, 139)
HSL	hsl(256, 66%, 33%)
HSV	hsv(256, 80%, 55%)
CMYK	cmyk(59%, 79.9%, 0%, 45.5%)
CIE-LAB	lab(22.17, 42.63, -56.25)
CIE-LCH	lch(22.17, 70.58, 307.16°)
OKLab	oklab(34.83% 0.0454 -0.162)
OKLCH	oklch(34.83% 0.168 285.7)
XYZ	xyz(6.7614, 3.5640, 24.7527)
Luminance	0.0356 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391C8B #6E8B1C

analogous

#1C368B #391C8B #711C8B

triadic

#391C8B #8B391C #1C8B39

tetradic

#391C8B #8B1C36 #6E8B1C #1C8B71

square

#391C8B #8B1C36 #6E8B1C #1C8B71

split-complementary

#391C8B #8B711C #368B1C

monochromatic

#0F0725 #241258 #391C8B #4E26BE #6E47DA

Accessibility & contrast

On white

12.26

#391C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#391C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391C8B

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391C8B	#FFFFFF	#000000	##FFFFFF
##391C8B	1.00	12.26	1.71	12.26
#FFFFFF	12.26	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#0E3C53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #391c8b;
/* rgb */ color: rgb(57, 28, 139);
/* oklch */ color: oklch(34.8% 0.168 285.7);

Tailwind

colors: {
  custom: {
    50: '#7a5cae',
    500: '#391c8b',
    950: '#000000',
  },
}

SCSS

$custom: #391c8b;
$custom-light: #7a5cae;
$custom-dark: #000000;

JSON

{
  "hex": "#391c8b",
  "rgb": {
    "r": 57,
    "g": 28,
    "b": 139
  },
  "hsl": {
    "h": 255.676,
    "s": 66.467,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34829,
    "c": 0.16826,
    "h": 285.7
  },
  "luminance": 0.03564
}

Semantic roles & 50–950 ramp

primary

#391C8B

secondary

#9DBC47

accent

#E93EBD

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #391C8B

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

Preview Lab → · Contrast checker → · Palette generator →