#391B7A#391B7A

#391B7A is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.149 H 290.1°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#391B7A
RGB	rgb(57, 27, 122)
HSL	hsl(259, 64%, 29%)
HSV	hsv(259, 78%, 48%)
CMYK	cmyk(53.3%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(20.28, 38.09, -48.63)
CIE-LCH	lch(20.28, 61.77, 308.07°)
OKLab	oklab(32.98% 0.0513 -0.1397)
OKLCH	oklch(32.98% 0.149 290.1)
XYZ	xyz(5.5911, 3.0586, 18.7044)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391B7A #5C7A1B

analogous

#1B2D7A #391B7A #691B7A

triadic

#391B7A #7A391B #1B7A39

tetradic

#391B7A #7A1B2D #5C7A1B #1B7A69

square

#391B7A #7A1B2D #5C7A1B #1B7A69

split-complementary

#391B7A #7A691B #2D7A1B

monochromatic

#0C0619 #221048 #391B7A #5026AC #6C3CD4

Accessibility & contrast

On white

13.03

#391B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#391B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391B7A

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391B7A	#FFFFFF	#000000	##FFFFFF
##391B7A	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002F78

Tritanopia (blue-blind)

#223549

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #391b7a;
/* rgb */ color: rgb(57, 27, 122);
/* oklch */ color: oklch(33.0% 0.149 290.1);

Tailwind

colors: {
  custom: {
    50: '#775ba1',
    500: '#391b7a',
    950: '#000000',
  },
}

SCSS

$custom: #391b7a;
$custom-light: #775ba1;
$custom-dark: #000000;

JSON

{
  "hex": "#391b7a",
  "rgb": {
    "r": 57,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 258.947,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32981,
    "c": 0.14883,
    "h": 290.1
  },
  "luminance": 0.03059
}

Semantic roles & 50–950 ramp

primary

#391B7A

secondary

#8CAE43

accent

#E741B2

background

#F7F5FA

surface

#EEE9F3

border

#C9C5CD

text

#09040F

muted

#7B797F

Preview Lab

Preview with #391B7A

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

Preview Lab → · Contrast checker → · Palette generator →