#583F8A#583F8A

#583F8A is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.3% C 0.120 H 296.4°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#583F8A
RGB	rgb(88, 63, 138)
HSL	hsl(260, 37%, 39%)
HSV	hsv(260, 54%, 54%)
CMYK	cmyk(36.2%, 54.3%, 0%, 45.9%)
CIE-LAB	lab(32.84, 28.53, -38.15)
CIE-LCH	lch(32.84, 47.64, 306.80°)
OKLab	oklab(43.29% 0.0536 -0.1079)
OKLCH	oklch(43.29% 0.12 296.4)
XYZ	xyz(10.3883, 7.4645, 24.9333)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F8A #718A3F

analogous

#3F4C8A #583F8A #7E3F8A

triadic

#583F8A #8A583F #3F8A58

tetradic

#583F8A #8A3F4C #718A3F #3F8A7E

square

#583F8A #8A3F4C #718A3F #3F8A7E

split-complementary

#583F8A #8A7E3F #4C8A3F

monochromatic

#221936 #3D2C60 #583F8A #7455B1 #967FC5

Accessibility & contrast

On white

8.42

#583F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#583F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F8A

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F8A	#FFFFFF	#000000	##FFFFFF
##583F8A	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214E8D

Deuteranopia (green-blind)

#274C88

Tritanopia (blue-blind)

#4D4E5E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #583f8a;
/* rgb */ color: rgb(88, 63, 138);
/* oklch */ color: oklch(43.3% 0.120 296.4);

Tailwind

colors: {
  custom: {
    50: '#8a75ad',
    500: '#583f8a',
    950: '#000000',
  },
}

SCSS

$custom: #583f8a;
$custom-light: #8a75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#583f8a",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 138
  },
  "hsl": {
    "h": 260,
    "s": 37.313,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43288,
    "c": 0.12048,
    "h": 296.4
  },
  "luminance": 0.07465
}

Semantic roles & 50–950 ramp

primary

#583F8A

secondary

#9CAF76

accent

#CD5BA7

background

#F8F7FA

surface

#F0EDF4

border

#CBC8CE

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #583F8A

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

Preview Lab → · Contrast checker → · Palette generator →