#581FB4#581FB4

#581FB4 is a dark, highly saturated violet. Relative luminance 0.064; OKLCH L 42.5% C 0.210 H 292.0°. Best body text is #FFFFFF at 9.25:1 contrast (WCAG AA passes).

Color values

HEX	#581FB4
RGB	rgb(88, 31, 180)
HSL	hsl(263, 71%, 41%)
HSV	hsv(263, 83%, 71%)
CMYK	cmyk(51.1%, 82.8%, 0%, 29.4%)
CIE-LAB	lab(30.28, 56.48, -67.77)
CIE-LCH	lch(30.28, 88.22, 309.81°)
OKLab	oklab(42.5% 0.0787 -0.1947)
OKLCH	oklch(42.5% 0.21 292)
XYZ	xyz(12.7504, 6.3495, 43.7249)
Luminance	0.0635 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581FB4 #7BB41F

analogous

#1F31B4 #581FB4 #A31FB4

triadic

#581FB4 #B4581F #1FB458

tetradic

#581FB4 #B41F31 #7BB41F #1FB4A3

square

#581FB4 #B41F31 #7BB41F #1FB4A3

split-complementary

#581FB4 #B4A31F #31B41F

monochromatic

#250D4C #3E1680 #581FB4 #7434DC #9868E5

Accessibility & contrast

On white

9.25

#581FB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#581FB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581FB4

9.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581FB4	#FFFFFF	#000000	##FFFFFF
##581FB4	1.00	9.25	2.27	9.25
#FFFFFF	9.25	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B8

Deuteranopia (green-blind)

#0044B1

Tritanopia (blue-blind)

#384C6C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #581fb4;
/* rgb */ color: rgb(88, 31, 180);
/* oklch */ color: oklch(42.5% 0.210 292.0);

Tailwind

colors: {
  custom: {
    50: '#9164cc',
    500: '#581fb4',
    950: '#000000',
  },
}

SCSS

$custom: #581fb4;
$custom-light: #9164cc;
$custom-dark: #000000;

JSON

{
  "hex": "#581fb4",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 180
  },
  "hsl": {
    "h": 262.953,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.425,
    "c": 0.21004,
    "h": 292
  },
  "luminance": 0.0635
}

Semantic roles & 50–950 ramp

primary

#581FB4

secondary

#A3CB64

accent

#ED3AA9

background

#F9F6FC

surface

#F2EBF9

border

#CCC6D2

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #581FB4

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

Preview Lab → · Contrast checker → · Palette generator →