#591B8B#591B8B

#591B8B is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.5% C 0.171 H 304.3°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#591B8B
RGB	rgb(89, 27, 139)
HSL	hsl(273, 67%, 33%)
HSV	hsv(273, 81%, 55%)
CMYK	cmyk(36%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(26.07, 47.97, -49.70)
CIE-LCH	lch(26.07, 69.07, 313.99°)
OKLab	oklab(38.45% 0.0965 -0.1417)
OKLCH	oklch(38.45% 0.171 304.3)
XYZ	xyz(9.1709, 4.7718, 24.8590)
Luminance	0.0477 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B8B #4D8B1B

analogous

#211B8B #591B8B #8B1B85

triadic

#591B8B #8B591B #1B8B59

tetradic

#591B8B #8B211B #4D8B1B #1B858B

square

#591B8B #8B211B #4D8B1B #1B858B

split-complementary

#591B8B #858B1B #1B8B21

monochromatic

#170725 #381158 #591B8B #7A25BE #9845DB

Accessibility & contrast

On white

10.74

#591B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#591B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B8B

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B8B	#FFFFFF	#000000	##FFFFFF
##591B8B	1.00	10.74	1.95	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#4F3953

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #591b8b;
/* rgb */ color: rgb(89, 27, 139);
/* oklch */ color: oklch(38.5% 0.171 304.3);

Tailwind

colors: {
  custom: {
    50: '#8d5fae',
    500: '#591b8b',
    950: '#000000',
  },
}

SCSS

$custom: #591b8b;
$custom-light: #8d5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#591b8b",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 273.214,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38454,
    "c": 0.17143,
    "h": 304.3
  },
  "luminance": 0.04772
}

Semantic roles & 50–950 ramp

primary

#591B8B

secondary

#7BBC45

accent

#EA3D8B

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #591B8B

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

Preview Lab → · Contrast checker → · Palette generator →