#581A7D#581A7D

#581A7D is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.158 H 309.0°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#581A7D
RGB	rgb(88, 26, 125)
HSL	hsl(278, 66%, 30%)
HSV	hsv(278, 79%, 49%)
CMYK	cmyk(29.6%, 79.2%, 0%, 51%)
CIE-LAB	lab(24.62, 44.89, -43.27)
CIE-LCH	lch(24.62, 62.35, 316.05°)
OKLab	oklab(37.04% 0.0994 -0.1228)
OKLCH	oklch(37.04% 0.158 309)
XYZ	xyz(8.0948, 4.2943, 19.8005)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.40

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A7D #3F7D1A

analogous

#271A7D #581A7D #7D1A71

triadic

#581A7D #7D581A #1A7D58

tetradic

#581A7D #7D271A #3F7D1A #1A717D

square

#581A7D #7D271A #3F7D1A #1A717D

split-complementary

#581A7D #717D1A #1A7D27

monochromatic

#120519 #340F4A #581A7D #7C25B0 #9C3BD6

Accessibility & contrast

On white

11.30

#581A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#581A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A7D

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A7D	#FFFFFF	#000000	##FFFFFF
##581A7D	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#003B7B

Tritanopia (blue-blind)

#52324B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581a7d;
/* rgb */ color: rgb(88, 26, 125);
/* oklch */ color: oklch(37.0% 0.158 309.0);

Tailwind

colors: {
  custom: {
    50: '#8b5ea3',
    500: '#581a7d',
    950: '#000000',
  },
}

SCSS

$custom: #581a7d;
$custom-light: #8b5ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#581a7d",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 125
  },
  "hsl": {
    "h": 277.576,
    "s": 65.563,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37041,
    "c": 0.15804,
    "h": 309
  },
  "luminance": 0.04294
}

Semantic roles & 50–950 ramp

primary

#581A7D

secondary

#6BB142

accent

#E93F7F

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581A7D

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

Preview Lab → · Contrast checker → · Palette generator →