#391057#391057

#391057 is a dark, vivid violet. Relative luminance 0.019; OKLCH L 28.3% C 0.120 H 306.3°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#391057
RGB	rgb(57, 16, 87)
HSL	hsl(275, 69%, 20%)
HSV	hsv(275, 82%, 34%)
CMYK	cmyk(34.5%, 81.6%, 0%, 65.9%)
CIE-LAB	lab(15.11, 33.71, -34.12)
CIE-LCH	lch(15.11, 47.97, 314.66°)
OKLab	oklab(28.34% 0.0712 -0.097)
OKLCH	oklch(28.34% 0.12 306.3)
XYZ	xyz(3.5926, 1.9286, 9.1980)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Dark Indigo

#1F0954

ΔE00 5.17

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391057 #2E5710

analogous

#161057 #391057 #571051

triadic

#391057 #573910 #105739

tetradic

#391057 #571610 #2E5710 #105157

square

#391057 #571610 #2E5710 #105157

split-complementary

#391057 #515710 #105716

monochromatic

#11051A #170623 #391057 #5B1A8B #7D23BE

Accessibility & contrast

On white

15.15

#391057 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#391057 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391057

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391057	#FFFFFF	#000000	##FFFFFF
##391057	1.00	15.15	1.39	15.15
#FFFFFF	15.15	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002559

Deuteranopia (green-blind)

#002656

Tritanopia (blue-blind)

#342233

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #391057;
/* rgb */ color: rgb(57, 16, 87);
/* oklch */ color: oklch(28.3% 0.120 306.3);

Tailwind

colors: {
  custom: {
    50: '#735387',
    500: '#391057',
    950: '#000000',
  },
}

SCSS

$custom: #391057;
$custom-light: #735387;
$custom-dark: #000000;

JSON

{
  "hex": "#391057",
  "rgb": {
    "r": 57,
    "g": 16,
    "b": 87
  },
  "hsl": {
    "h": 274.648,
    "s": 68.932,
    "l": 20.196
  },
  "oklch": {
    "l": 0.28335,
    "c": 0.12036,
    "h": 306.3
  },
  "luminance": 0.01929
}

Semantic roles & 50–950 ramp

primary

#391057

secondary

#5A9032

accent

#EC3C86

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#08030B

muted

#7B787C

Preview Lab

Preview with #391057

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

Preview Lab → · Contrast checker → · Palette generator →