#581C7A#581C7A

#581C7A is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.153 H 310.0°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#581C7A
RGB	rgb(88, 28, 122)
HSL	hsl(278, 63%, 29%)
HSV	hsv(278, 77%, 48%)
CMYK	cmyk(27.9%, 77%, 0%, 52.2%)
CIE-LAB	lab(24.67, 43.37, -41.29)
CIE-LCH	lch(24.67, 59.88, 316.41°)
OKLab	oklab(37% 0.0981 -0.117)
OKLCH	oklch(37% 0.153 310)
XYZ	xyz(7.9519, 4.3105, 18.8217)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C7A #3E7A1C

analogous

#291C7A #581C7A #7A1C6D

triadic

#581C7A #7A581C #1C7A58

tetradic

#581C7A #7A291C #3E7A1C #1C6D7A

square

#581C7A #7A291C #3E7A1C #1C6D7A

split-complementary

#581C7A #6D7A1C #1C7A29

monochromatic

#120619 #341148 #581C7A #7C27AC #9D3ED3

Accessibility & contrast

On white

11.28

#581C7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#581C7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C7A

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C7A	#FFFFFF	#000000	##FFFFFF
##581C7A	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387D

Deuteranopia (green-blind)

#053B78

Tritanopia (blue-blind)

#53324A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581c7a;
/* rgb */ color: rgb(88, 28, 122);
/* oklch */ color: oklch(37.0% 0.153 310.0);

Tailwind

colors: {
  custom: {
    50: '#8b5fa1',
    500: '#581c7a',
    950: '#000000',
  },
}

SCSS

$custom: #581c7a;
$custom-light: #8b5fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#581c7a",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 122
  },
  "hsl": {
    "h": 278.298,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.37002,
    "c": 0.15269,
    "h": 310
  },
  "luminance": 0.0431
}

Semantic roles & 50–950 ramp

primary

#581C7A

secondary

#6AAE44

accent

#E6427D

background

#F8F5FA

surface

#F0EAF3

border

#CBC6CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581C7A

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

Preview Lab → · Contrast checker → · Palette generator →