#583D8D#583D8D

#583D8D is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.1% C 0.128 H 296.2°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#583D8D
RGB	rgb(88, 61, 141)
HSL	hsl(260, 40%, 40%)
HSV	hsv(260, 57%, 55%)
CMYK	cmyk(37.6%, 56.7%, 0%, 44.7%)
CIE-LAB	lab(32.56, 30.61, -40.45)
CIE-LCH	lch(32.56, 50.73, 307.12°)
OKLab	oklab(43.14% 0.0564 -0.1147)
OKLCH	oklch(43.14% 0.128 296.2)
XYZ	xyz(10.4997, 7.3351, 26.0568)
Luminance	0.0733 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583D8D #728D3D

analogous

#3D4A8D #583D8D #803D8D

triadic

#583D8D #8D583D #3D8D58

tetradic

#583D8D #8D3D4A #728D3D #3D8D80

square

#583D8D #8D3D4A #728D3D #3D8D80

split-complementary

#583D8D #8D803D #4A8D3D

monochromatic

#231838 #3D2B62 #583D8D #7453B4 #967DC7

Accessibility & contrast

On white

8.51

#583D8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#583D8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583D8D

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583D8D	#FFFFFF	#000000	##FFFFFF
##583D8D	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184D90

Deuteranopia (green-blind)

#214C8B

Tritanopia (blue-blind)

#4C4D5F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #583d8d;
/* rgb */ color: rgb(88, 61, 141);
/* oklch */ color: oklch(43.1% 0.128 296.2);

Tailwind

colors: {
  custom: {
    50: '#8a73af',
    500: '#583d8d',
    950: '#000000',
  },
}

SCSS

$custom: #583d8d;
$custom-light: #8a73af;
$custom-dark: #000000;

JSON

{
  "hex": "#583d8d",
  "rgb": {
    "r": 88,
    "g": 61,
    "b": 141
  },
  "hsl": {
    "h": 260.25,
    "s": 39.604,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4314,
    "c": 0.1278,
    "h": 296.2
  },
  "luminance": 0.07335
}

Semantic roles & 50–950 ramp

primary

#583D8D

secondary

#9DB175

accent

#CF58A7

background

#F8F7FA

surface

#F0EDF4

border

#CBC8CE

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #583D8D

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

Preview Lab → · Contrast checker → · Palette generator →