#581B8C#581B8C

#581B8C is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.4% C 0.172 H 303.4°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#581B8C
RGB	rgb(88, 27, 140)
HSL	hsl(272, 68%, 33%)
HSV	hsv(272, 81%, 55%)
CMYK	cmyk(37.1%, 80.7%, 0%, 45.1%)
CIE-LAB	lab(26.02, 48.04, -50.42)
CIE-LCH	lch(26.02, 69.64, 313.62°)
OKLab	oklab(38.41% 0.0948 -0.1438)
OKLCH	oklch(38.41% 0.172 303.4)
XYZ	xyz(9.1489, 4.7520, 25.2411)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B8C #4F8C1B

analogous

#1F1B8C #581B8C #8C1B88

triadic

#581B8C #8C581B #1B8C58

tetradic

#581B8C #8C1F1B #4F8C1B #1B888C

square

#581B8C #8C1F1B #4F8C1B #1B888C

split-complementary

#581B8C #888C1B #1B8C1F

monochromatic

#180725 #381159 #581B8C #7825BF #9746DB

Accessibility & contrast

On white

10.77

#581B8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#581B8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B8C

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B8C	#FFFFFF	#000000	##FFFFFF
##581B8C	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#003D8A

Tritanopia (blue-blind)

#4D3954

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #581b8c;
/* rgb */ color: rgb(88, 27, 140);
/* oklch */ color: oklch(38.4% 0.172 303.4);

Tailwind

colors: {
  custom: {
    50: '#8d5fae',
    500: '#581b8c',
    950: '#000000',
  },
}

SCSS

$custom: #581b8c;
$custom-light: #8d5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#581b8c",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 140
  },
  "hsl": {
    "h": 272.389,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.3841,
    "c": 0.17224,
    "h": 303.4
  },
  "luminance": 0.04752
}

Semantic roles & 50–950 ramp

primary

#581B8C

secondary

#7DBD46

accent

#EB3D8D

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #581B8C

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

Preview Lab → · Contrast checker → · Palette generator →