#581C7B#581C7B

#581C7B is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.154 H 309.6°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#581C7B
RGB	rgb(88, 28, 123)
HSL	hsl(278, 63%, 30%)
HSV	hsv(278, 77%, 48%)
CMYK	cmyk(28.5%, 77.2%, 0%, 51.8%)
CIE-LAB	lab(24.75, 43.60, -41.80)
CIE-LCH	lch(24.75, 60.40, 316.21°)
OKLab	oklab(37.08% 0.0979 -0.1185)
OKLCH	oklch(37.08% 0.154 309.6)
XYZ	xyz(8.0142, 4.3354, 19.1497)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C7B #3F7B1C

analogous

#291C7B #581C7B #7B1C6F

triadic

#581C7B #7B581C #1C7B58

tetradic

#581C7B #7B291C #3F7B1C #1C6F7B

square

#581C7B #7B291C #3F7B1C #1C6F7B

split-complementary

#581C7B #6F7B1C #1C7B29

monochromatic

#120619 #341149 #581C7B #7C27AD #9C3ED3

Accessibility & contrast

On white

11.25

#581C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#581C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C7B

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C7B	#FFFFFF	#000000	##FFFFFF
##581C7B	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387E

Deuteranopia (green-blind)

#023C79

Tritanopia (blue-blind)

#53324A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581c7b;
/* rgb */ color: rgb(88, 28, 123);
/* oklch */ color: oklch(37.1% 0.154 309.6);

Tailwind

colors: {
  custom: {
    50: '#8b5fa2',
    500: '#581c7b',
    950: '#000000',
  },
}

SCSS

$custom: #581c7b;
$custom-light: #8b5fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#581c7b",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 277.895,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37082,
    "c": 0.15372,
    "h": 309.6
  },
  "luminance": 0.04335
}

Semantic roles & 50–950 ramp

primary

#581C7B

secondary

#6BAF44

accent

#E6427E

background

#F8F5FA

surface

#F0EAF3

border

#CBC6CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581C7B

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

Preview Lab → · Contrast checker → · Palette generator →