#581D7B#581D7B

#581D7B is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.2% C 0.153 H 309.4°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#581D7B
RGB	rgb(88, 29, 123)
HSL	hsl(278, 62%, 30%)
HSV	hsv(278, 76%, 48%)
CMYK	cmyk(28.5%, 76.4%, 0%, 51.8%)
CIE-LAB	lab(24.90, 43.17, -41.55)
CIE-LCH	lch(24.90, 59.92, 316.10°)
OKLab	oklab(37.19% 0.0969 -0.1178)
OKLCH	oklch(37.19% 0.153 309.4)
XYZ	xyz(8.0383, 4.3837, 19.1577)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D7B #407B1D

analogous

#291D7B #581D7B #7B1D6F

triadic

#581D7B #7B581D #1D7B58

tetradic

#581D7B #7B291D #407B1D #1D6F7B

square

#581D7B #7B291D #407B1D #1D6F7B

split-complementary

#581D7B #6F7B1D #1D7B29

monochromatic

#120619 #351149 #581D7B #7B29AD #9C40D2

Accessibility & contrast

On white

11.19

#581D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#581D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D7B

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D7B	#FFFFFF	#000000	##FFFFFF
##581D7B	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397E

Deuteranopia (green-blind)

#043C79

Tritanopia (blue-blind)

#53334A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581d7b;
/* rgb */ color: rgb(88, 29, 123);
/* oklch */ color: oklch(37.2% 0.153 309.4);

Tailwind

colors: {
  custom: {
    50: '#8b5fa2',
    500: '#581d7b',
    950: '#000000',
  },
}

SCSS

$custom: #581d7b;
$custom-light: #8b5fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#581d7b",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 123
  },
  "hsl": {
    "h": 277.66,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.37188,
    "c": 0.15253,
    "h": 309.4
  },
  "luminance": 0.04383
}

Semantic roles & 50–950 ramp

primary

#581D7B

secondary

#6CAF45

accent

#E5437F

background

#F8F5FA

surface

#F0EAF3

border

#CBC6CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581D7B

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

Preview Lab → · Contrast checker → · Palette generator →