#581CA1#581CA1

#581CA1 is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.4% C 0.193 H 296.9°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#581CA1
RGB	rgb(88, 28, 161)
HSL	hsl(267, 70%, 37%)
HSV	hsv(267, 83%, 63%)
CMYK	cmyk(45.3%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(28.06, 52.81, -59.99)
CIE-LCH	lch(28.06, 79.92, 311.36°)
OKLab	oklab(40.41% 0.0874 -0.1719)
OKLCH	oklch(40.41% 0.193 296.9)
XYZ	xyz(10.8711, 5.4782, 34.1959)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581CA1 #65A11C

analogous

#1C22A1 #581CA1 #9B1CA1

triadic

#581CA1 #A1581C #1CA158

tetradic

#581CA1 #A11C22 #65A11C #1CA19B

square

#581CA1 #A11C22 #65A11C #1CA19B

split-complementary

#581CA1 #A19B1C #22A11C

monochromatic

#1F0A39 #3C136D #581CA1 #7425D5 #9556E2

Accessibility & contrast

On white

10.02

#581CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#581CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581CA1

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581CA1	#FFFFFF	#000000	##FFFFFF
##581CA1	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A5

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#444360

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #581ca1;
/* rgb */ color: rgb(88, 28, 161);
/* oklch */ color: oklch(40.4% 0.193 296.9);

Tailwind

colors: {
  custom: {
    50: '#8f61be',
    500: '#581ca1',
    950: '#000000',
  },
}

SCSS

$custom: #581ca1;
$custom-light: #8f61be;
$custom-dark: #000000;

JSON

{
  "hex": "#581ca1",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 267.068,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.40412,
    "c": 0.19285,
    "h": 296.9
  },
  "luminance": 0.05478
}

Semantic roles & 50–950 ramp

primary

#581CA1

secondary

#92C554

accent

#ED3B9D

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581CA1

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

Preview Lab → · Contrast checker → · Palette generator →