#583B63#583B63

#583B63 is a dark, moderate purple. Relative luminance 0.061; OKLCH L 40.2% C 0.074 H 316.4°. Best body text is #FFFFFF at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#583B63
RGB	rgb(88, 59, 99)
HSL	hsl(284, 25%, 31%)
HSV	hsv(284, 40%, 39%)
CMYK	cmyk(11.1%, 40.4%, 0%, 61.2%)
CIE-LAB	lab(29.67, 20.79, -18.63)
CIE-LCH	lch(29.67, 27.92, 318.14°)
OKLab	oklab(40.21% 0.0537 -0.0512)
OKLCH	oklch(40.21% 0.074 316.4)
XYZ	xyz(7.8403, 6.1037, 12.5671)
Luminance	0.0610 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583B63 #46633B

analogous

#443B63 #583B63 #633B5A

triadic

#583B63 #63583B #3B6358

tetradic

#583B63 #63443B #46633B #3B5A63

square

#583B63 #63443B #46633B #3B5A63

split-complementary

#583B63 #5A633B #3B6344

monochromatic

#140D16 #36243D #583B63 #7A5289 #996FA9

Accessibility & contrast

On white

9.46

#583B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#583B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B63

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B63	#FFFFFF	#000000	##FFFFFF
##583B63	1.00	9.46	2.22	9.46
#FFFFFF	9.46	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#354464

Deuteranopia (green-blind)

#3C4762

Tritanopia (blue-blind)

#58404A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #583b63;
/* rgb */ color: rgb(88, 59, 99);
/* oklch */ color: oklch(40.2% 0.074 316.4);

Tailwind

colors: {
  custom: {
    50: '#88718f',
    500: '#583b63',
    950: '#000000',
  },
}

SCSS

$custom: #583b63;
$custom-light: #88718f;
$custom-dark: #000000;

JSON

{
  "hex": "#583b63",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 99
  },
  "hsl": {
    "h": 283.5,
    "s": 25.316,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40209,
    "c": 0.07425,
    "h": 316.4
  },
  "luminance": 0.06103
}

Semantic roles & 50–950 ramp

primary

#583B63

secondary

#739367

accent

#C2667F

background

#F8F6F8

surface

#F0ECF0

border

#CBC7CB

text

#0B080C

muted

#7C7B7D

Preview Lab

Preview with #583B63

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

Preview Lab → · Contrast checker → · Palette generator →