#583D99#583D99

#583D99 is a dark, vivid violet. Relative luminance 0.077; OKLCH L 44.0% C 0.144 H 293.1°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#583D99
RGB	rgb(88, 61, 153)
HSL	hsl(258, 43%, 42%)
HSV	hsv(258, 60%, 60%)
CMYK	cmyk(42.5%, 60.1%, 0%, 40%)
CIE-LAB	lab(33.38, 34.05, -46.47)
CIE-LCH	lch(33.38, 57.61, 306.24°)
OKLab	oklab(44% 0.0564 -0.1323)
OKLCH	oklch(44% 0.144 293.1)
XYZ	xyz(11.4415, 7.7118, 31.0165)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583D99 #7E993D

analogous

#3D5099 #583D99 #863D99

triadic

#583D99 #99583D #3D9958

tetradic

#583D99 #993D50 #7E993D #3D9986

square

#583D99 #993D50 #7E993D #3D9986

split-complementary

#583D99 #99863D #50993D

monochromatic

#261A41 #3F2C6D #583D99 #7557BC #9983CE

Accessibility & contrast

On white

8.26

#583D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#583D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583D99

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583D99	#FFFFFF	#000000	##FFFFFF
##583D99	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509C

Deuteranopia (green-blind)

#0B4D97

Tritanopia (blue-blind)

#465165

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #583d99;
/* rgb */ color: rgb(88, 61, 153);
/* oklch */ color: oklch(44.0% 0.144 293.1);

Tailwind

colors: {
  custom: {
    50: '#8c74b8',
    500: '#583d99',
    950: '#000000',
  },
}

SCSS

$custom: #583d99;
$custom-light: #8c74b8;
$custom-dark: #000000;

JSON

{
  "hex": "#583d99",
  "rgb": {
    "r": 88,
    "g": 61,
    "b": 153
  },
  "hsl": {
    "h": 257.609,
    "s": 42.991,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44002,
    "c": 0.14387,
    "h": 293.1
  },
  "luminance": 0.07712
}

Semantic roles & 50–950 ramp

primary

#583D99

secondary

#A6B87A

accent

#D355AE

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #583D99

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

Preview Lab → · Contrast checker → · Palette generator →