#583B66#583B66

#583B66 is a dark, moderate purple. Relative luminance 0.062; OKLCH L 40.4% C 0.078 H 314.2°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#583B66
RGB	rgb(88, 59, 102)
HSL	hsl(280, 27%, 32%)
HSV	hsv(280, 42%, 40%)
CMYK	cmyk(13.7%, 42.2%, 0%, 60%)
CIE-LAB	lab(29.82, 21.51, -20.33)
CIE-LCH	lch(29.82, 29.59, 316.61°)
OKLab	oklab(40.37% 0.0545 -0.0561)
OKLCH	oklch(40.37% 0.078 314.2)
XYZ	xyz(7.9864, 6.1621, 13.3365)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583B66 #49663B

analogous

#433B66 #583B66 #663B5F

triadic

#583B66 #66583B #3B6658

tetradic

#583B66 #66433B #49663B #3B5F66

square

#583B66 #66433B #49663B #3B5F66

split-complementary

#583B66 #5F663B #3B6643

monochromatic

#150E18 #37253F #583B66 #79518D #986FAC

Accessibility & contrast

On white

9.41

#583B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#583B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B66

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B66	#FFFFFF	#000000	##FFFFFF
##583B66	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334568

Deuteranopia (green-blind)

#3B4765

Tritanopia (blue-blind)

#57414B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #583b66;
/* rgb */ color: rgb(88, 59, 102);
/* oklch */ color: oklch(40.4% 0.078 314.2);

Tailwind

colors: {
  custom: {
    50: '#887192',
    500: '#583b66',
    950: '#000000',
  },
}

SCSS

$custom: #583b66;
$custom-light: #887192;
$custom-dark: #000000;

JSON

{
  "hex": "#583b66",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 102
  },
  "hsl": {
    "h": 280.465,
    "s": 26.708,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40366,
    "c": 0.07819,
    "h": 314.2
  },
  "luminance": 0.06162
}

Semantic roles & 50–950 ramp

primary

#583B66

secondary

#769667

accent

#C36583

background

#F8F6F8

surface

#F0ECF0

border

#CBC7CB

text

#0B080D

muted

#7C7B7D

Preview Lab

Preview with #583B66

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

Preview Lab → · Contrast checker → · Palette generator →