#583CA5#583CA5

#583CA5 is a dark, vivid violet. Relative luminance 0.080; OKLCH L 44.8% C 0.161 H 290.7°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#583CA5
RGB	rgb(88, 60, 165)
HSL	hsl(256, 47%, 44%)
HSV	hsv(256, 64%, 65%)
CMYK	cmyk(46.7%, 63.6%, 0%, 35.3%)
CIE-LAB	lab(34.03, 38.15, -52.65)
CIE-LCH	lch(34.03, 65.02, 305.92°)
OKLab	oklab(44.76% 0.0569 -0.1505)
OKLCH	oklch(44.76% 0.161 290.7)
XYZ	xyz(12.4300, 8.0226, 36.4836)
Luminance	0.0802 (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

#583CA5 #89A53C

analogous

#3C55A5 #583CA5 #8D3CA5

triadic

#583CA5 #A5583C #3CA558

tetradic

#583CA5 #A53C55 #89A53C #3CA58D

square

#583CA5 #A53C55 #89A53C #3CA58D

split-complementary

#583CA5 #A58D3C #55A53C

monochromatic

#281B4B #402C78 #583CA5 #775BC3 #9C88D4

Accessibility & contrast

On white

8.06

#583CA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#583CA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583CA5

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583CA5	#FFFFFF	#000000	##FFFFFF
##583CA5	1.00	8.06	2.60	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A8

Deuteranopia (green-blind)

#004EA3

Tritanopia (blue-blind)

#40556B

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #583ca5;
/* rgb */ color: rgb(88, 60, 165);
/* oklch */ color: oklch(44.8% 0.161 290.7);

Tailwind

colors: {
  custom: {
    50: '#8d73c0',
    500: '#583ca5',
    950: '#000000',
  },
}

SCSS

$custom: #583ca5;
$custom-light: #8d73c0;
$custom-dark: #000000;

JSON

{
  "hex": "#583ca5",
  "rgb": {
    "r": 88,
    "g": 60,
    "b": 165
  },
  "hsl": {
    "h": 256,
    "s": 46.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44758,
    "c": 0.16094,
    "h": 290.7
  },
  "luminance": 0.08023
}

Semantic roles & 50–950 ramp

primary

#583CA5

secondary

#ADBE7F

accent

#D651B3

background

#F9F7FB

surface

#F1EDF7

border

#CBC8D0

text

#0D0812

muted

#7E7B81

Preview Lab

Preview with #583CA5

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

Preview Lab → · Contrast checker → · Palette generator →