#583F91#583F91

#583F91 is a dark, vivid violet. Relative luminance 0.077; OKLCH L 43.8% C 0.130 H 294.5°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#583F91
RGB	rgb(88, 63, 145)
HSL	hsl(258, 39%, 41%)
HSV	hsv(258, 57%, 57%)
CMYK	cmyk(39.3%, 56.6%, 0%, 43.1%)
CIE-LAB	lab(33.29, 30.53, -41.72)
CIE-LCH	lch(33.29, 51.70, 306.20°)
OKLab	oklab(43.77% 0.0539 -0.1184)
OKLCH	oklch(43.77% 0.13 294.5)
XYZ	xyz(10.9115, 7.6738, 27.6889)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F91 #78913F

analogous

#3F4F91 #583F91 #813F91

triadic

#583F91 #91583F #3F9158

tetradic

#583F91 #913F4F #78913F #3F9181

square

#583F91 #913F4F #78913F #3F9181

split-complementary

#583F91 #91813F #4F913F

monochromatic

#241A3C #3E2C66 #583F91 #7457B6 #9782C9

Accessibility & contrast

On white

8.28

#583F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#583F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F91

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F91	#FFFFFF	#000000	##FFFFFF
##583F91	1.00	8.28	2.53	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184F94

Deuteranopia (green-blind)

#204D8F

Tritanopia (blue-blind)

#4A5062

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #583f91;
/* rgb */ color: rgb(88, 63, 145);
/* oklch */ color: oklch(43.8% 0.130 294.5);

Tailwind

colors: {
  custom: {
    50: '#8b75b2',
    500: '#583f91',
    950: '#000000',
  },
}

SCSS

$custom: #583f91;
$custom-light: #8b75b2;
$custom-dark: #000000;

JSON

{
  "hex": "#583f91",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 145
  },
  "hsl": {
    "h": 258.293,
    "s": 39.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43768,
    "c": 0.13008,
    "h": 294.5
  },
  "luminance": 0.07674
}

Semantic roles & 50–950 ramp

primary

#583F91

secondary

#A1B379

accent

#CF58AB

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #583F91

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

Preview Lab → · Contrast checker → · Palette generator →