#581B70#581B70

#581B70 is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.1% C 0.144 H 314.5°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#581B70
RGB	rgb(88, 27, 112)
HSL	hsl(283, 61%, 27%)
HSV	hsv(283, 76%, 44%)
CMYK	cmyk(21.4%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(23.77, 41.52, -36.35)
CIE-LCH	lch(23.77, 55.19, 318.80°)
OKLab	oklab(36.12% 0.1007 -0.1025)
OKLCH	oklch(36.12% 0.144 314.5)
XYZ	xyz(7.3406, 4.0287, 15.7170)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B70 #33701B

analogous

#2E1B70 #581B70 #701B5E

triadic

#581B70 #70581B #1B7058

tetradic

#581B70 #702E1B #33701B #1B5E70

square

#581B70 #702E1B #33701B #1B5E70

split-complementary

#581B70 #5E701B #1B702E

monochromatic

#130619 #310F3F #581B70 #7F27A1 #A437CF

Accessibility & contrast

On white

11.63

#581B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#581B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B70

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B70	#FFFFFF	#000000	##FFFFFF
##581B70	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003572

Deuteranopia (green-blind)

#173A6E

Tritanopia (blue-blind)

#562D44

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #581b70;
/* rgb */ color: rgb(88, 27, 112);
/* oklch */ color: oklch(36.1% 0.144 314.5);

Tailwind

colors: {
  custom: {
    50: '#8a5e9a',
    500: '#581b70',
    950: '#000000',
  },
}

SCSS

$custom: #581b70;
$custom-light: #8a5e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#581b70",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 283.059,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.3612,
    "c": 0.14372,
    "h": 314.5
  },
  "luminance": 0.04028
}

Semantic roles & 50–950 ramp

primary

#581B70

secondary

#5EA542

accent

#E44471

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B70

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

Preview Lab → · Contrast checker → · Palette generator →