#581FA8#581FA8

#581FA8 is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.3% C 0.198 H 294.8°. Best body text is #FFFFFF at 9.65:1 contrast (WCAG AA passes).

Color values

HEX	#581FA8
RGB	rgb(88, 31, 168)
HSL	hsl(265, 69%, 39%)
HSV	hsv(265, 82%, 66%)
CMYK	cmyk(47.6%, 81.5%, 0%, 34.1%)
CIE-LAB	lab(29.11, 53.43, -62.49)
CIE-LCH	lch(29.11, 82.22, 310.53°)
OKLab	oklab(41.34% 0.0829 -0.1793)
OKLCH	oklch(41.34% 0.198 294.8)
XYZ	xyz(11.5804, 5.8815, 37.5633)
Luminance	0.0588 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581FA8 #6FA81F

analogous

#1F2AA8 #581FA8 #9D1FA8

triadic

#581FA8 #A8581F #1FA858

tetradic

#581FA8 #A81F2A #6FA81F #1FA89D

square

#581FA8 #A81F2A #6FA81F #1FA89D

split-complementary

#581FA8 #A89D1F #2AA81F

monochromatic

#220C41 #3D1574 #581FA8 #742CD8 #9660E2

Accessibility & contrast

On white

9.65

#581FA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#581FA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581FA8

9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581FA8	#FFFFFF	#000000	##FFFFFF
##581FA8	1.00	9.65	2.18	9.65
#FFFFFF	9.65	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AC

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#404765

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #581fa8;
/* rgb */ color: rgb(88, 31, 168);
/* oklch */ color: oklch(41.3% 0.198 294.8);

Tailwind

colors: {
  custom: {
    50: '#9063c3',
    500: '#581fa8',
    950: '#000000',
  },
}

SCSS

$custom: #581fa8;
$custom-light: #9063c3;
$custom-dark: #000000;

JSON

{
  "hex": "#581fa8",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 168
  },
  "hsl": {
    "h": 264.964,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.41344,
    "c": 0.19753,
    "h": 294.8
  },
  "luminance": 0.05882
}

Semantic roles & 50–950 ramp

primary

#581FA8

secondary

#9AC65D

accent

#EC3CA3

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #581FA8

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

Preview Lab → · Contrast checker → · Palette generator →