#583E9D#583E9D

#583E9D is a dark, vivid violet. Relative luminance 0.080; OKLCH L 44.5% C 0.148 H 291.9°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#583E9D
RGB	rgb(88, 62, 157)
HSL	hsl(256, 43%, 43%)
HSV	hsv(256, 61%, 62%)
CMYK	cmyk(43.9%, 60.5%, 0%, 38.4%)
CIE-LAB	lab(33.89, 34.62, -48.06)
CIE-LCH	lch(33.89, 59.24, 305.77°)
OKLab	oklab(44.47% 0.0551 -0.137)
OKLCH	oklch(44.47% 0.148 291.9)
XYZ	xyz(11.8313, 7.9539, 32.8036)
Luminance	0.0795 (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

#583E9D #839D3E

analogous

#3E539D #583E9D #873E9D

triadic

#583E9D #9D583E #3E9D58

tetradic

#583E9D #9D3E53 #839D3E #3E9D87

square

#583E9D #9D3E53 #839D3E #3E9D87

split-complementary

#583E9D #9D873E #539D3E

monochromatic

#271B45 #3F2D71 #583E9D #765ABE #9A86CF

Accessibility & contrast

On white

8.11

#583E9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#583E9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583E9D

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583E9D	#FFFFFF	#000000	##FFFFFF
##583E9D	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A0

Deuteranopia (green-blind)

#014E9B

Tritanopia (blue-blind)

#445367

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #583e9d;
/* rgb */ color: rgb(88, 62, 157);
/* oklch */ color: oklch(44.5% 0.148 291.9);

Tailwind

colors: {
  custom: {
    50: '#8c74bb',
    500: '#583e9d',
    950: '#000000',
  },
}

SCSS

$custom: #583e9d;
$custom-light: #8c74bb;
$custom-dark: #000000;

JSON

{
  "hex": "#583e9d",
  "rgb": {
    "r": 88,
    "g": 62,
    "b": 157
  },
  "hsl": {
    "h": 256.421,
    "s": 43.379,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44467,
    "c": 0.1477,
    "h": 291.9
  },
  "luminance": 0.07954
}

Semantic roles & 50–950 ramp

primary

#583E9D

secondary

#A9BA7D

accent

#D355B1

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0D0812

muted

#7D7B81

Preview Lab

Preview with #583E9D

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

Preview Lab → · Contrast checker → · Palette generator →