#583CA8#583CA8

#583CA8 is a dark, vivid violet. Relative luminance 0.081; OKLCH L 45.0% C 0.165 H 290.1°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#583CA8
RGB	rgb(88, 60, 168)
HSL	hsl(256, 47%, 45%)
HSV	hsv(256, 64%, 66%)
CMYK	cmyk(47.6%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(34.26, 39.03, -54.08)
CIE-LCH	lch(34.26, 66.69, 305.82°)
OKLab	oklab(45% 0.0566 -0.1548)
OKLCH	oklch(45% 0.165 290.1)
XYZ	xyz(12.7062, 8.1331, 37.9386)
Luminance	0.0813 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.21

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583CA8 #8CA83C

analogous

#3C56A8 #583CA8 #8E3CA8

triadic

#583CA8 #A8583C #3CA858

tetradic

#583CA8 #A83C56 #8CA83C #3CA88E

square

#583CA8 #A83C56 #8CA83C #3CA88E

split-complementary

#583CA8 #A88E3C #56A83C

monochromatic

#291C4E #402C7B #583CA8 #775CC5 #9D89D5

Accessibility & contrast

On white

7.99

#583CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#583CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583CA8

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583CA8	#FFFFFF	#000000	##FFFFFF
##583CA8	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AB

Deuteranopia (green-blind)

#004EA6

Tritanopia (blue-blind)

#3F566C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #583ca8;
/* rgb */ color: rgb(88, 60, 168);
/* oklch */ color: oklch(45.0% 0.165 290.1);

Tailwind

colors: {
  custom: {
    50: '#8e73c3',
    500: '#583ca8',
    950: '#000000',
  },
}

SCSS

$custom: #583ca8;
$custom-light: #8e73c3;
$custom-dark: #000000;

JSON

{
  "hex": "#583ca8",
  "rgb": {
    "r": 88,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 255.556,
    "s": 47.368,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44996,
    "c": 0.1648,
    "h": 290.1
  },
  "luminance": 0.08134
}

Semantic roles & 50–950 ramp

primary

#583CA8

secondary

#AFBF80

accent

#D751B4

background

#F9F7FC

surface

#F1EDF8

border

#CBC8D1

text

#0D0812

muted

#7E7B81

Preview Lab

Preview with #583CA8

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

Preview Lab → · Contrast checker → · Palette generator →