#583C9F#583C9F

#583C9F is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.3% C 0.153 H 292.0°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#583C9F
RGB	rgb(88, 60, 159)
HSL	hsl(257, 45%, 43%)
HSV	hsv(257, 62%, 62%)
CMYK	cmyk(44.7%, 62.3%, 0%, 37.6%)
CIE-LAB	lab(33.58, 36.39, -49.77)
CIE-LCH	lch(33.58, 61.65, 306.18°)
OKLab	oklab(44.29% 0.0573 -0.1421)
OKLCH	oklch(44.29% 0.153 292)
XYZ	xyz(11.8966, 7.8093, 33.6747)
Luminance	0.0781 (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

#583C9F #839F3C

analogous

#3C519F #583C9F #893C9F

triadic

#583C9F #9F583C #3C9F58

tetradic

#583C9F #9F3C51 #839F3C #3C9F89

square

#583C9F #9F3C51 #839F3C #3C9F89

split-complementary

#583C9F #9F893C #519F3C

monochromatic

#271A46 #3F2B73 #583C9F #7658C0 #9A85D1

Accessibility & contrast

On white

8.20

#583C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#583C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583C9F

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583C9F	#FFFFFF	#000000	##FFFFFF
##583C9F	1.00	8.20	2.56	8.20
#FFFFFF	8.20	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#004D9D

Tritanopia (blue-blind)

#445368

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #583c9f;
/* rgb */ color: rgb(88, 60, 159);
/* oklch */ color: oklch(44.3% 0.153 292.0);

Tailwind

colors: {
  custom: {
    50: '#8d73bc',
    500: '#583c9f',
    950: '#000000',
  },
}

SCSS

$custom: #583c9f;
$custom-light: #8d73bc;
$custom-dark: #000000;

JSON

{
  "hex": "#583c9f",
  "rgb": {
    "r": 88,
    "g": 60,
    "b": 159
  },
  "hsl": {
    "h": 256.97,
    "s": 45.205,
    "l": 42.941
  },
  "oklch": {
    "l": 0.44291,
    "c": 0.1532,
    "h": 292
  },
  "luminance": 0.0781
}

Semantic roles & 50–950 ramp

primary

#583C9F

secondary

#A9BB7C

accent

#D553B0

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0D0812

muted

#7D7B81

Preview Lab

Preview with #583C9F

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

Preview Lab → · Contrast checker → · Palette generator →