#591B77#591B77

#591B77 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.8% C 0.151 H 312.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#591B77
RGB	rgb(89, 27, 119)
HSL	hsl(280, 63%, 29%)
HSV	hsv(280, 77%, 47%)
CMYK	cmyk(25.2%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(24.45, 43.31, -39.73)
CIE-LCH	lch(24.45, 58.77, 317.47°)
OKLab	oklab(36.8% 0.1011 -0.1124)
OKLCH	oklch(36.8% 0.151 312)
XYZ	xyz(7.8409, 4.2398, 17.8545)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B77 #39771B

analogous

#2B1B77 #591B77 #771B67

triadic

#591B77 #77591B #1B7759

tetradic

#591B77 #772B1B #39771B #1B6777

square

#591B77 #772B1B #39771B #1B6777

split-complementary

#591B77 #67771B #1B772B

monochromatic

#130619 #341045 #591B77 #7E26A9 #A13AD2

Accessibility & contrast

On white

11.36

#591B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#591B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B77

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B77	#FFFFFF	#000000	##FFFFFF
##591B77	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#0D3B75

Tritanopia (blue-blind)

#553048

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #591b77;
/* rgb */ color: rgb(89, 27, 119);
/* oklch */ color: oklch(36.8% 0.151 312.0);

Tailwind

colors: {
  custom: {
    50: '#8c5e9f',
    500: '#591b77',
    950: '#000000',
  },
}

SCSS

$custom: #591b77;
$custom-light: #8c5e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#591b77",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 280.435,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36803,
    "c": 0.15115,
    "h": 312
  },
  "luminance": 0.0424
}

Semantic roles & 50–950 ramp

primary

#591B77

secondary

#65AB42

accent

#E64277

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #591B77

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

Preview Lab → · Contrast checker → · Palette generator →