#581CA0#581CA0

#581CA0 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.3% C 0.192 H 297.2°. Best body text is #FFFFFF at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#581CA0
RGB	rgb(88, 28, 160)
HSL	hsl(267, 70%, 37%)
HSV	hsv(267, 83%, 63%)
CMYK	cmyk(45%, 82.5%, 0%, 37.3%)
CIE-LAB	lab(27.96, 52.56, -59.53)
CIE-LCH	lch(27.96, 79.42, 311.44°)
OKLab	oklab(40.32% 0.0877 -0.1706)
OKLCH	oklch(40.32% 0.192 297.2)
XYZ	xyz(10.7832, 5.4431, 33.7334)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581CA0 #64A01C

analogous

#1C22A0 #581CA0 #9A1CA0

triadic

#581CA0 #A0581C #1CA058

tetradic

#581CA0 #A01C22 #64A01C #1CA09A

square

#581CA0 #A01C22 #64A01C #1CA09A

split-complementary

#581CA0 #A09A1C #22A01C

monochromatic

#1F0A38 #3B136C #581CA0 #7525D4 #9555E1

Accessibility & contrast

On white

10.05

#581CA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#581CA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581CA0

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581CA0	#FFFFFF	#000000	##FFFFFF
##581CA0	1.00	10.05	2.09	10.05
#FFFFFF	10.05	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A4

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#45425F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #581ca0;
/* rgb */ color: rgb(88, 28, 160);
/* oklch */ color: oklch(40.3% 0.192 297.2);

Tailwind

colors: {
  custom: {
    50: '#8f61bd',
    500: '#581ca0',
    950: '#000000',
  },
}

SCSS

$custom: #581ca0;
$custom-light: #8f61bd;
$custom-dark: #000000;

JSON

{
  "hex": "#581ca0",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 160
  },
  "hsl": {
    "h": 267.273,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.40318,
    "c": 0.19183,
    "h": 297.2
  },
  "luminance": 0.05443
}

Semantic roles & 50–950 ramp

primary

#581CA0

secondary

#91C453

accent

#ED3B9C

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581CA0

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

Preview Lab → · Contrast checker → · Palette generator →