#581D9A#581D9A

#581D9A is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.9% C 0.185 H 298.8°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#581D9A
RGB	rgb(88, 29, 154)
HSL	hsl(268, 68%, 36%)
HSV	hsv(268, 81%, 60%)
CMYK	cmyk(42.9%, 81.2%, 0%, 39.6%)
CIE-LAB	lab(27.54, 50.69, -56.57)
CIE-LCH	lch(27.54, 75.96, 311.86°)
OKLab	oklab(39.85% 0.089 -0.1619)
OKLCH	oklch(39.85% 0.185 298.8)
XYZ	xyz(10.2951, 5.2864, 31.0436)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D9A #5F9A1D

analogous

#1D209A #581D9A #961D9A

triadic

#581D9A #9A581D #1D9A58

tetradic

#581D9A #9A1D20 #5F9A1D #1D9A96

square

#581D9A #9A1D20 #5F9A1D #1D9A96

split-complementary

#581D9A #9A961D #209A1D

monochromatic

#1D0A33 #3B1366 #581D9A #7527CE #9553DF

Accessibility & contrast

On white

10.21

#581D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#581D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D9A

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D9A	#FFFFFF	#000000	##FFFFFF
##581D9A	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#47405C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #581d9a;
/* rgb */ color: rgb(88, 29, 154);
/* oklch */ color: oklch(39.9% 0.185 298.8);

Tailwind

colors: {
  custom: {
    50: '#8e61b9',
    500: '#581d9a',
    950: '#000000',
  },
}

SCSS

$custom: #581d9a;
$custom-light: #8e61b9;
$custom-dark: #000000;

JSON

{
  "hex": "#581d9a",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 154
  },
  "hsl": {
    "h": 268.32,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39852,
    "c": 0.18474,
    "h": 298.8
  },
  "luminance": 0.05287
}

Semantic roles & 50–950 ramp

primary

#581D9A

secondary

#8DC251

accent

#EB3D99

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581D9A

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

Preview Lab → · Contrast checker → · Palette generator →