#581B67#581B67

#581B67 is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.5% C 0.135 H 319.0°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#581B67
RGB	rgb(88, 27, 103)
HSL	hsl(288, 58%, 25%)
HSV	hsv(288, 74%, 40%)
CMYK	cmyk(14.6%, 73.8%, 0%, 59.6%)
CIE-LAB	lab(23.13, 39.56, -31.54)
CIE-LCH	lch(23.13, 50.60, 321.43°)
OKLab	oklab(35.46% 0.1016 -0.0884)
OKLCH	oklch(35.46% 0.135 319)
XYZ	xyz(6.8643, 3.8382, 13.2086)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 5.08

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B67 #2A671B

analogous

#321B67 #581B67 #671B50

triadic

#581B67 #67581B #1B6758

tetradic

#581B67 #67321B #2A671B #1B5067

square

#581B67 #67321B #2A671B #1B5067

split-complementary

#581B67 #50671B #1B6732

monochromatic

#150618 #2F0E37 #581B67 #812897 #AB34C8

Accessibility & contrast

On white

11.88

#581B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#581B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B67

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B67	#FFFFFF	#000000	##FFFFFF
##581B67	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003369

Deuteranopia (green-blind)

#203965

Tritanopia (blue-blind)

#58293F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #581b67;
/* rgb */ color: rgb(88, 27, 103);
/* oklch */ color: oklch(35.5% 0.135 319.0);

Tailwind

colors: {
  custom: {
    50: '#8a5d93',
    500: '#581b67',
    950: '#000000',
  },
}

SCSS

$custom: #581b67;
$custom-light: #8a5d93;
$custom-dark: #000000;

JSON

{
  "hex": "#581b67",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 103
  },
  "hsl": {
    "h": 288.158,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35462,
    "c": 0.1347,
    "h": 319
  },
  "luminance": 0.03838
}

Semantic roles & 50–950 ramp

primary

#581B67

secondary

#539C42

accent

#E24665

background

#F8F5F9

surface

#F0E9F1

border

#CBC5CB

text

#0C050D

muted

#7D797E

Preview Lab

Preview with #581B67

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

Preview Lab → · Contrast checker → · Palette generator →