#591D8B#591D8B

#591D8B is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.6% C 0.169 H 304.0°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#591D8B
RGB	rgb(89, 29, 139)
HSL	hsl(273, 65%, 33%)
HSV	hsv(273, 79%, 55%)
CMYK	cmyk(36%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(26.35, 47.17, -49.24)
CIE-LCH	lch(26.35, 68.19, 313.77°)
OKLab	oklab(38.65% 0.0948 -0.1404)
OKLCH	oklch(38.65% 0.169 304)
XYZ	xyz(9.2183, 4.8667, 24.8748)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591D8B #4F8B1D

analogous

#221D8B #591D8B #8B1D86

triadic

#591D8B #8B591D #1D8B59

tetradic

#591D8B #8B221D #4F8B1D #1D868B

square

#591D8B #8B221D #4F8B1D #1D868B

split-complementary

#591D8B #868B1D #1D8B22

monochromatic

#180826 #391258 #591D8B #7928BE #9849D9

Accessibility & contrast

On white

10.64

#591D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#591D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591D8B

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591D8B	#FFFFFF	#000000	##FFFFFF
##591D8B	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#4F3A53

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #591d8b;
/* rgb */ color: rgb(89, 29, 139);
/* oklch */ color: oklch(38.6% 0.169 304.0);

Tailwind

colors: {
  custom: {
    50: '#8d60ae',
    500: '#591d8b',
    950: '#000000',
  },
}

SCSS

$custom: #591d8b;
$custom-light: #8d60ae;
$custom-dark: #000000;

JSON

{
  "hex": "#591d8b",
  "rgb": {
    "r": 89,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 272.727,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38648,
    "c": 0.16938,
    "h": 304
  },
  "luminance": 0.04867
}

Semantic roles & 50–950 ramp

primary

#591D8B

secondary

#7DBB49

accent

#E83F8C

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #591D8B

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

Preview Lab → · Contrast checker → · Palette generator →