#391B7B#391B7B

#391B7B is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.150 H 289.9°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#391B7B
RGB	rgb(57, 27, 123)
HSL	hsl(259, 64%, 29%)
HSV	hsv(259, 78%, 48%)
CMYK	cmyk(53.7%, 78%, 0%, 51.8%)
CIE-LAB	lab(20.38, 38.39, -49.11)
CIE-LCH	lch(20.38, 62.33, 308.01°)
OKLab	oklab(33.08% 0.051 -0.1411)
OKLCH	oklch(33.08% 0.15 289.9)
XYZ	xyz(5.6534, 3.0835, 19.0323)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B7B #5D7B1B

analogous

#1B2D7B #391B7B #691B7B

triadic

#391B7B #7B391B #1B7B39

tetradic

#391B7B #7B1B2D #5D7B1B #1B7B69

square

#391B7B #7B1B2D #5D7B1B #1B7B69

split-complementary

#391B7B #7B691B #2D7B1B

monochromatic

#0C0619 #221049 #391B7B #5026AD #6C3CD4

Accessibility & contrast

On white

12.99

#391B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#391B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B7B

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B7B	#FFFFFF	#000000	##FFFFFF
##391B7B	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#21354A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #391b7b;
/* rgb */ color: rgb(57, 27, 123);
/* oklch */ color: oklch(33.1% 0.150 289.9);

Tailwind

colors: {
  custom: {
    50: '#775ba2',
    500: '#391b7b',
    950: '#000000',
  },
}

SCSS

$custom: #391b7b;
$custom-light: #775ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#391b7b",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 258.75,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.3308,
    "c": 0.15004,
    "h": 289.9
  },
  "luminance": 0.03084
}

Semantic roles & 50–950 ramp

primary

#391B7B

secondary

#8DAF43

accent

#E741B3

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #391B7B

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

Preview Lab → · Contrast checker → · Palette generator →