#583C99#583C99

#583C99 is a dark, vivid violet. Relative luminance 0.076; OKLCH L 43.8% C 0.145 H 293.4°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#583C99
RGB	rgb(88, 60, 153)
HSL	hsl(258, 44%, 42%)
HSV	hsv(258, 61%, 60%)
CMYK	cmyk(42.5%, 60.8%, 0%, 40%)
CIE-LAB	lab(33.15, 34.65, -46.83)
CIE-LCH	lch(33.15, 58.26, 306.50°)
OKLab	oklab(43.84% 0.0576 -0.1334)
OKLCH	oklch(43.84% 0.145 293.4)
XYZ	xyz(11.3886, 7.6060, 30.9989)
Luminance	0.0761 (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

#583C99 #7D993C

analogous

#3C4E99 #583C99 #873C99

triadic

#583C99 #99583C #3C9958

tetradic

#583C99 #993C4E #7D993C #3C9987

square

#583C99 #993C4E #7D993C #3C9987

split-complementary

#583C99 #99873C #4E993C

monochromatic

#251A41 #3F2B6D #583C99 #7556BD #9982CE

Accessibility & contrast

On white

8.33

#583C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#583C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583C99

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583C99	#FFFFFF	#000000	##FFFFFF
##583C99	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9C

Deuteranopia (green-blind)

#074C97

Tritanopia (blue-blind)

#465164

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #583c99;
/* rgb */ color: rgb(88, 60, 153);
/* oklch */ color: oklch(43.8% 0.145 293.4);

Tailwind

colors: {
  custom: {
    50: '#8c73b8',
    500: '#583c99',
    950: '#000000',
  },
}

SCSS

$custom: #583c99;
$custom-light: #8c73b8;
$custom-dark: #000000;

JSON

{
  "hex": "#583c99",
  "rgb": {
    "r": 88,
    "g": 60,
    "b": 153
  },
  "hsl": {
    "h": 258.065,
    "s": 43.662,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43836,
    "c": 0.14534,
    "h": 293.4
  },
  "luminance": 0.07606
}

Semantic roles & 50–950 ramp

primary

#583C99

secondary

#A5B879

accent

#D354AD

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #583C99

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

Preview Lab → · Contrast checker → · Palette generator →