#583B9E#583B9E

#583B9E is a dark, vivid violet. Relative luminance 0.077; OKLCH L 44.1% C 0.153 H 292.5°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#583B9E
RGB	rgb(88, 59, 158)
HSL	hsl(258, 46%, 43%)
HSV	hsv(258, 63%, 62%)
CMYK	cmyk(44.3%, 62.7%, 0%, 38%)
CIE-LAB	lab(33.29, 36.69, -49.64)
CIE-LCH	lch(33.29, 61.73, 306.47°)
OKLab	oklab(44.05% 0.0586 -0.1417)
OKLCH	oklch(44.05% 0.153 292.5)
XYZ	xyz(11.7583, 7.6709, 33.2022)
Luminance	0.0767 (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

#583B9E #819E3B

analogous

#3B4F9E #583B9E #8A3B9E

triadic

#583B9E #9E583B #3B9E58

tetradic

#583B9E #9E3B4F #819E3B #3B9E8A

square

#583B9E #9E3B4F #819E3B #3B9E8A

split-complementary

#583B9E #9E8A3B #4F9E3B

monochromatic

#261A45 #3F2A71 #583B9E #7556C0 #9A83D1

Accessibility & contrast

On white

8.29

#583B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#583B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583B9E

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583B9E	#FFFFFF	#000000	##FFFFFF
##583B9E	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A1

Deuteranopia (green-blind)

#004C9C

Tritanopia (blue-blind)

#445267

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #583b9e;
/* rgb */ color: rgb(88, 59, 158);
/* oklch */ color: oklch(44.1% 0.153 292.5);

Tailwind

colors: {
  custom: {
    50: '#8d72bb',
    500: '#583b9e',
    950: '#000000',
  },
}

SCSS

$custom: #583b9e;
$custom-light: #8d72bb;
$custom-dark: #000000;

JSON

{
  "hex": "#583b9e",
  "rgb": {
    "r": 88,
    "g": 59,
    "b": 158
  },
  "hsl": {
    "h": 257.576,
    "s": 45.622,
    "l": 42.549
  },
  "oklch": {
    "l": 0.44053,
    "c": 0.15331,
    "h": 292.5
  },
  "luminance": 0.07671
}

Semantic roles & 50–950 ramp

primary

#583B9E

secondary

#A8BB7A

accent

#D553AF

background

#F8F7FB

surface

#F0EDF6

border

#CBC8D0

text

#0D0812

muted

#7D7B81

Preview Lab

Preview with #583B9E

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

Preview Lab → · Contrast checker → · Palette generator →