#591B81#591B81

#591B81 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.161 H 307.9°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#591B81
RGB	rgb(89, 27, 129)
HSL	hsl(276, 65%, 31%)
HSV	hsv(276, 79%, 51%)
CMYK	cmyk(31%, 79.1%, 0%, 49.4%)
CIE-LAB	lab(25.24, 45.61, -44.79)
CIE-LCH	lch(25.24, 63.93, 315.52°)
OKLab	oklab(37.61% 0.0991 -0.1273)
OKLCH	oklch(37.61% 0.161 307.9)
XYZ	xyz(8.4734, 4.4928, 21.1854)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.37

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B81 #43811B

analogous

#261B81 #591B81 #811B76

triadic

#591B81 #81591B #1B8159

tetradic

#591B81 #81261B #43811B #1B7681

square

#591B81 #81261B #43811B #1B7681

split-complementary

#591B81 #76811B #1B8126

monochromatic

#13061C #36104E #591B81 #7C26B4 #9C3FD7

Accessibility & contrast

On white

11.06

#591B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#591B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B81

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B81	#FFFFFF	#000000	##FFFFFF
##591B81	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#52344D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #591b81;
/* rgb */ color: rgb(89, 27, 129);
/* oklch */ color: oklch(37.6% 0.161 307.9);

Tailwind

colors: {
  custom: {
    50: '#8c5fa6',
    500: '#591b81',
    950: '#000000',
  },
}

SCSS

$custom: #591b81;
$custom-light: #8c5fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#591b81",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 129
  },
  "hsl": {
    "h": 276.471,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37607,
    "c": 0.16128,
    "h": 307.9
  },
  "luminance": 0.04493
}

Semantic roles & 50–950 ramp

primary

#591B81

secondary

#70B543

accent

#E83F82

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0D050F

muted

#7D797F

Preview Lab

Preview with #591B81

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

Preview Lab → · Contrast checker → · Palette generator →