#583F8B#583F8B

#583F8B is a dark, vivid violet. Relative luminance 0.075; OKLCH L 43.4% C 0.122 H 296.1°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#583F8B
RGB	rgb(88, 63, 139)
HSL	hsl(260, 38%, 40%)
HSV	hsv(260, 55%, 55%)
CMYK	cmyk(36.7%, 54.7%, 0%, 45.5%)
CIE-LAB	lab(32.91, 28.82, -38.66)
CIE-LCH	lch(32.91, 48.22, 306.70°)
OKLab	oklab(43.36% 0.0536 -0.1094)
OKLCH	oklch(43.36% 0.122 296.1)
XYZ	xyz(10.4610, 7.4936, 25.3164)
Luminance	0.0749 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F8B #728B3F

analogous

#3F4C8B #583F8B #7E3F8B

triadic

#583F8B #8B583F #3F8B58

tetradic

#583F8B #8B3F4C #728B3F #3F8B7E

square

#583F8B #8B3F4C #728B3F #3F8B7E

split-complementary

#583F8B #8B7E3F #4C8B3F

monochromatic

#231937 #3D2C61 #583F8B #7455B2 #967FC5

Accessibility & contrast

On white

8.40

#583F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#583F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F8B

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F8B	#FFFFFF	#000000	##FFFFFF
##583F8B	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)

#204E8E

Deuteranopia (green-blind)

#264C89

Tritanopia (blue-blind)

#4C4E5F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #583f8b;
/* rgb */ color: rgb(88, 63, 139);
/* oklch */ color: oklch(43.4% 0.122 296.1);

Tailwind

colors: {
  custom: {
    50: '#8a75ad',
    500: '#583f8b',
    950: '#000000',
  },
}

SCSS

$custom: #583f8b;
$custom-light: #8a75ad;
$custom-dark: #000000;

JSON

{
  "hex": "#583f8b",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 139
  },
  "hsl": {
    "h": 259.737,
    "s": 37.624,
    "l": 39.608
  },
  "oklch": {
    "l": 0.43355,
    "c": 0.12187,
    "h": 296.1
  },
  "luminance": 0.07494
}

Semantic roles & 50–950 ramp

primary

#583F8B

secondary

#9DAF76

accent

#CE5AA8

background

#F8F7FA

surface

#F0EDF4

border

#CBC8CE

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #583F8B

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

Preview Lab → · Contrast checker → · Palette generator →