#581F9D#581F9D

#581F9D is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.3% C 0.186 H 297.7°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#581F9D
RGB	rgb(88, 31, 157)
HSL	hsl(267, 67%, 37%)
HSV	hsv(267, 80%, 62%)
CMYK	cmyk(43.9%, 80.3%, 0%, 38.4%)
CIE-LAB	lab(28.08, 50.64, -57.51)
CIE-LCH	lch(28.08, 76.63, 311.37°)
OKLab	oklab(40.32% 0.0865 -0.1647)
OKLCH	oklch(40.32% 0.186 297.7)
XYZ	xyz(10.5987, 5.4888, 32.3928)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F9D #649D1F

analogous

#1F259D #581F9D #971F9D

triadic

#581F9D #9D581F #1F9D58

tetradic

#581F9D #9D1F25 #649D1F #1F9D97

square

#581F9D #9D1F25 #649D1F #1F9D97

split-complementary

#581F9D #9D971F #259D1F

monochromatic

#1F0B37 #3B156A #581F9D #7529D0 #9558DE

Accessibility & contrast

On white

10.01

#581F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#581F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F9D

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F9D	#FFFFFF	#000000	##FFFFFF
##581F9D	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A0

Deuteranopia (green-blind)

#00419B

Tritanopia (blue-blind)

#46425E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #581f9d;
/* rgb */ color: rgb(88, 31, 157);
/* oklch */ color: oklch(40.3% 0.186 297.7);

Tailwind

colors: {
  custom: {
    50: '#8e62bb',
    500: '#581f9d',
    950: '#000000',
  },
}

SCSS

$custom: #581f9d;
$custom-light: #8e62bb;
$custom-dark: #000000;

JSON

{
  "hex": "#581f9d",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 157
  },
  "hsl": {
    "h": 267.143,
    "s": 67.021,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40318,
    "c": 0.18599,
    "h": 297.7
  },
  "luminance": 0.05489
}

Semantic roles & 50–950 ramp

primary

#581F9D

secondary

#91C256

accent

#EA3E9C

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581F9D

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

Preview Lab → · Contrast checker → · Palette generator →