#581783#581783

#581783 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.3% C 0.167 H 307.0°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#581783
RGB	rgb(88, 23, 131)
HSL	hsl(276, 70%, 30%)
HSV	hsv(276, 82%, 51%)
CMYK	cmyk(32.8%, 82.4%, 0%, 48.6%)
CIE-LAB	lab(24.72, 47.42, -46.90)
CIE-LCH	lch(24.72, 66.70, 315.32°)
OKLab	oklab(37.27% 0.1006 -0.1335)
OKLCH	oklch(37.27% 0.167 307)
XYZ	xyz(8.4267, 4.3263, 21.8595)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.65

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581783 #428317

analogous

#221783 #581783 #831778

triadic

#581783 #835817 #178358

tetradic

#581783 #832217 #428317 #177883

square

#581783 #832217 #428317 #177883

split-complementary

#581783 #788317 #178322

monochromatic

#12051B #350E4F #581783 #7B20B7 #9B38DC

Accessibility & contrast

On white

11.26

#581783 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#581783 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581783

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581783	#FFFFFF	#000000	##FFFFFF
##581783	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003986

Deuteranopia (green-blind)

#003B81

Tritanopia (blue-blind)

#51344E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581783;
/* rgb */ color: rgb(88, 23, 131);
/* oklch */ color: oklch(37.3% 0.167 307.0);

Tailwind

colors: {
  custom: {
    50: '#8c5da8',
    500: '#581783',
    950: '#000000',
  },
}

SCSS

$custom: #581783;
$custom-light: #8c5da8;
$custom-dark: #000000;

JSON

{
  "hex": "#581783",
  "rgb": {
    "r": 88,
    "g": 23,
    "b": 131
  },
  "hsl": {
    "h": 276.111,
    "s": 70.13,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37266,
    "c": 0.16711,
    "h": 307
  },
  "luminance": 0.04326
}

Semantic roles & 50–950 ramp

primary

#581783

secondary

#6FB73F

accent

#ED3B82

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #581783

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

Preview Lab → · Contrast checker → · Palette generator →