#583B91#583B91

#583B91 is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.1% C 0.136 H 295.7°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#583B91
RGB	rgb(88, 59, 145)
HSL	hsl(260, 42%, 40%)
HSV	hsv(260, 59%, 57%)
CMYK	cmyk(39.3%, 59.3%, 0%, 43.1%)
CIE-LAB	lab(32.36, 32.95, -43.22)
CIE-LCH	lch(32.36, 54.35, 307.33°)
OKLab	oklab(43.08% 0.0591 -0.1228)
OKLCH	oklch(43.08% 0.136 295.7)
XYZ	xyz(10.6980, 7.2468, 27.6177)
Luminance	0.0725 (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

#583B91 #74913B

analogous

#3B4991 #583B91 #833B91

triadic

#583B91 #91583B #3B9158

tetradic

#583B91 #913B49 #74913B #3B9183

square

#583B91 #913B49 #74913B #3B9183

split-complementary

#583B91 #91833B #49913B

monochromatic

#23183A #3E2966 #583B91 #7451B8 #977CCA

Accessibility & contrast

On white

8.57

#583B91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#583B91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B91

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B91	#FFFFFF	#000000	##FFFFFF
##583B91	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A4D94

Deuteranopia (green-blind)

#184B8F

Tritanopia (blue-blind)

#4A4D60

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #583b91;
/* rgb */ color: rgb(88, 59, 145);
/* oklch */ color: oklch(43.1% 0.136 295.7);

Tailwind

colors: {
  custom: {
    50: '#8b72b2',
    500: '#583b91',
    950: '#000000',
  },
}

SCSS

$custom: #583b91;
$custom-light: #8b72b2;
$custom-dark: #000000;

JSON

{
  "hex": "#583b91",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 145
  },
  "hsl": {
    "h": 260.233,
    "s": 42.157,
    "l": 40
  },
  "oklch": {
    "l": 0.43082,
    "c": 0.13627,
    "h": 295.7
  },
  "luminance": 0.07247
}

Semantic roles & 50–950 ramp

primary

#583B91

secondary

#9EB474

accent

#D256A8

background

#F8F6FB

surface

#F0ECF6

border

#CBC7D0

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #583B91

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

Preview Lab → · Contrast checker → · Palette generator →