#583F90#583F90

#583F90 is a dark, vivid violet. Relative luminance 0.076; OKLCH L 43.7% C 0.129 H 294.7°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#583F90
RGB	rgb(88, 63, 144)
HSL	hsl(259, 39%, 41%)
HSV	hsv(259, 56%, 56%)
CMYK	cmyk(38.9%, 56.3%, 0%, 43.5%)
CIE-LAB	lab(33.23, 30.24, -41.21)
CIE-LCH	lch(33.23, 51.12, 306.27°)
OKLab	oklab(43.7% 0.0539 -0.1169)
OKLCH	oklch(43.7% 0.129 294.7)
XYZ	xyz(10.8347, 7.6431, 27.2846)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#583F90 #77903F

analogous

#3F4E90 #583F90 #803F90

triadic

#583F90 #90583F #3F9058

tetradic

#583F90 #903F4E #77903F #3F9080

square

#583F90 #903F4E #77903F #3F9080

split-complementary

#583F90 #90803F #4E903F

monochromatic

#241A3B #3E2C65 #583F90 #7457B5 #9781C8

Accessibility & contrast

On white

8.30

#583F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#583F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #583F90

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##583F90	#FFFFFF	#000000	##FFFFFF
##583F90	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4F93

Deuteranopia (green-blind)

#214D8E

Tritanopia (blue-blind)

#4A5061

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #583f90;
/* rgb */ color: rgb(88, 63, 144);
/* oklch */ color: oklch(43.7% 0.129 294.7);

Tailwind

colors: {
  custom: {
    50: '#8b75b1',
    500: '#583f90',
    950: '#000000',
  },
}

SCSS

$custom: #583f90;
$custom-light: #8b75b1;
$custom-dark: #000000;

JSON

{
  "hex": "#583f90",
  "rgb": {
    "r": 88,
    "g": 63,
    "b": 144
  },
  "hsl": {
    "h": 258.519,
    "s": 39.13,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43698,
    "c": 0.12872,
    "h": 294.7
  },
  "luminance": 0.07643
}

Semantic roles & 50–950 ramp

primary

#583F90

secondary

#A0B278

accent

#CF59AB

background

#F8F7FA

surface

#F0EDF5

border

#CBC8CF

text

#0C0811

muted

#7D7B80

Preview Lab

Preview with #583F90

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

Preview Lab → · Contrast checker → · Palette generator →