#583B99#583B99

#583B99 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.7% C 0.147 H 293.6°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#583B99
RGB	rgb(88, 59, 153)
HSL	hsl(259, 44%, 42%)
HSV	hsv(259, 61%, 60%)
CMYK	cmyk(42.5%, 61.4%, 0%, 40%)
CIE-LAB	lab(32.92, 35.24, -47.19)
CIE-LCH	lch(32.92, 58.90, 306.75°)
OKLab	oklab(43.67% 0.0588 -0.1345)
OKLCH	oklch(43.67% 0.147 293.6)
XYZ	xyz(11.3367, 7.5023, 30.9816)
Luminance	0.0750 (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

#583B99 #7C993B

analogous

#3B4D99 #583B99 #873B99

triadic

#583B99 #99583B #3B9958

tetradic

#583B99 #993B4D #7C993B #3B9987

square

#583B99 #993B4D #7C993B #3B9987

split-complementary

#583B99 #99873B #4D993B

monochromatic

#251941 #3F2A6D #583B99 #7454BD #9880CE

Accessibility & contrast

On white

8.40

#583B99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#583B99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B99

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B99	#FFFFFF	#000000	##FFFFFF
##583B99	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9C

Deuteranopia (green-blind)

#034C97

Tritanopia (blue-blind)

#475064

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #583b99;
/* rgb */ color: rgb(88, 59, 153);
/* oklch */ color: oklch(43.7% 0.147 293.6);

Tailwind

colors: {
  custom: {
    50: '#8c72b8',
    500: '#583b99',
    950: '#000000',
  },
}

SCSS

$custom: #583b99;
$custom-light: #8c72b8;
$custom-dark: #000000;

JSON

{
  "hex": "#583b99",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 153
  },
  "hsl": {
    "h": 258.511,
    "s": 44.34,
    "l": 41.569
  },
  "oklch": {
    "l": 0.43672,
    "c": 0.14681,
    "h": 293.6
  },
  "luminance": 0.07503
}

Semantic roles & 50–950 ramp

primary

#583B99

secondary

#A4B878

accent

#D454AC

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #583B99

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

Preview Lab → · Contrast checker → · Palette generator →