#591B8D#591B8D

#591B8D is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.173 H 303.6°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#591B8D
RGB	rgb(89, 27, 141)
HSL	hsl(273, 68%, 33%)
HSV	hsv(273, 81%, 55%)
CMYK	cmyk(36.9%, 80.9%, 0%, 44.7%)
CIE-LAB	lab(26.25, 48.45, -50.66)
CIE-LCH	lch(26.25, 70.10, 313.73°)
OKLab	oklab(38.63% 0.096 -0.1445)
OKLCH	oklch(38.63% 0.173 303.6)
XYZ	xyz(9.3183, 4.8308, 25.6357)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#591B8D #4F8D1B

analogous

#201B8D #591B8D #8D1B88

triadic

#591B8D #8D591B #1B8D59

tetradic

#591B8D #8D201B #4F8D1B #1B888D

square

#591B8D #8D201B #4F8D1B #1B888D

split-complementary

#591B8D #888D1B #1B8D20

monochromatic

#180726 #39115A #591B8D #7925C0 #9847DC

Accessibility & contrast

On white

10.68

#591B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#591B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #591B8D

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##591B8D	#FFFFFF	#000000	##FFFFFF
##591B8D	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D90

Deuteranopia (green-blind)

#003E8B

Tritanopia (blue-blind)

#4E3A54

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #591b8d;
/* rgb */ color: rgb(89, 27, 141);
/* oklch */ color: oklch(38.6% 0.173 303.6);

Tailwind

colors: {
  custom: {
    50: '#8d60af',
    500: '#591b8d',
    950: '#000000',
  },
}

SCSS

$custom: #591b8d;
$custom-light: #8d60af;
$custom-dark: #000000;

JSON

{
  "hex": "#591b8d",
  "rgb": {
    "r": 89,
    "g": 27,
    "b": 141
  },
  "hsl": {
    "h": 272.632,
    "s": 67.857,
    "l": 32.941
  },
  "oklch": {
    "l": 0.38628,
    "c": 0.17347,
    "h": 303.6
  },
  "luminance": 0.04831
}

Semantic roles & 50–950 ramp

primary

#591B8D

secondary

#7DBD46

accent

#EB3D8C

background

#F9F5FA

surface

#F1EAF5

border

#CBC6CF

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #591B8D

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

Preview Lab → · Contrast checker → · Palette generator →