#581C7F#581C7F

#581C7F is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.158 H 308.0°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#581C7F
RGB	rgb(88, 28, 127)
HSL	hsl(276, 64%, 30%)
HSV	hsv(276, 78%, 50%)
CMYK	cmyk(30.7%, 78%, 0%, 50.2%)
CIE-LAB	lab(25.07, 44.54, -43.81)
CIE-LCH	lch(25.07, 62.48, 315.47°)
OKLab	oklab(37.41% 0.0971 -0.1244)
OKLCH	oklch(37.41% 0.158 308)
XYZ	xyz(8.2697, 4.4376, 20.4955)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.50

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C7F #437F1C

analogous

#271C7F #581C7F #7F1C74

triadic

#581C7F #7F581C #1C7F58

tetradic

#581C7F #7F271C #437F1C #1C747F

square

#581C7F #7F271C #437F1C #1C747F

split-complementary

#581C7F #747F1C #1C7F27

monochromatic

#13061B #35114D #581C7F #7B27B1 #9A40D5

Accessibility & contrast

On white

11.13

#581C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#581C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C7F

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C7F	#FFFFFF	#000000	##FFFFFF
##581C7F	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003982

Deuteranopia (green-blind)

#003C7D

Tritanopia (blue-blind)

#52344C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581c7f;
/* rgb */ color: rgb(88, 28, 127);
/* oklch */ color: oklch(37.4% 0.158 308.0);

Tailwind

colors: {
  custom: {
    50: '#8b5fa5',
    500: '#581c7f',
    950: '#000000',
  },
}

SCSS

$custom: #581c7f;
$custom-light: #8b5fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#581c7f",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 127
  },
  "hsl": {
    "h": 276.364,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37406,
    "c": 0.15783,
    "h": 308
  },
  "luminance": 0.04438
}

Semantic roles & 50–950 ramp

primary

#581C7F

secondary

#70B344

accent

#E74182

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581C7F

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

Preview Lab → · Contrast checker → · Palette generator →