#581C81#581C81

#581C81 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.160 H 307.2°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#581C81
RGB	rgb(88, 28, 129)
HSL	hsl(276, 64%, 31%)
HSV	hsv(276, 78%, 51%)
CMYK	cmyk(31.8%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(25.23, 45.01, -44.81)
CIE-LCH	lch(25.23, 63.51, 315.13°)
OKLab	oklab(37.57% 0.0967 -0.1274)
OKLCH	oklch(37.57% 0.16 307.2)
XYZ	xyz(8.4014, 4.4903, 21.1887)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.37

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C81 #45811C

analogous

#261C81 #581C81 #811C77

triadic

#581C81 #81581C #1C8158

tetradic

#581C81 #81261C #45811C #1C7781

square

#581C81 #81261C #45811C #1C7781

split-complementary

#581C81 #77811C #1C8126

monochromatic

#13061C #36114F #581C81 #7A27B3 #9A42D6

Accessibility & contrast

On white

11.06

#581C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#581C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C81

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C81	#FFFFFF	#000000	##FFFFFF
##581C81	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#003C7F

Tritanopia (blue-blind)

#51354E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #581c81;
/* rgb */ color: rgb(88, 28, 129);
/* oklch */ color: oklch(37.6% 0.160 307.2);

Tailwind

colors: {
  custom: {
    50: '#8c5fa6',
    500: '#581c81',
    950: '#000000',
  },
}

SCSS

$custom: #581c81;
$custom-light: #8c5fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#581c81",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 275.644,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.3757,
    "c": 0.15989,
    "h": 307.2
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#581C81

secondary

#72B444

accent

#E74084

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581C81

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

Preview Lab → · Contrast checker → · Palette generator →