#581B7F#581B7F

#581B7F is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.159 H 308.1°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#581B7F
RGB	rgb(88, 27, 127)
HSL	hsl(277, 65%, 30%)
HSV	hsv(277, 79%, 50%)
CMYK	cmyk(30.7%, 78.7%, 0%, 50.2%)
CIE-LAB	lab(24.92, 44.95, -44.05)
CIE-LCH	lch(24.92, 62.94, 315.58°)
OKLab	oklab(37.3% 0.0981 -0.1251)
OKLCH	oklch(37.3% 0.159 308.1)
XYZ	xyz(8.2464, 4.3910, 20.4877)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.36

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B7F #427F1B

analogous

#261B7F #581B7F #7F1B74

triadic

#581B7F #7F581B #1B7F58

tetradic

#581B7F #7F261B #427F1B #1B747F

square

#581B7F #7F261B #427F1B #1B747F

split-complementary

#581B7F #747F1B #1B7F26

monochromatic

#12061A #35104D #581B7F #7B26B1 #9B3ED6

Accessibility & contrast

On white

11.18

#581B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#581B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B7F

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B7F	#FFFFFF	#000000	##FFFFFF
##581B7F	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	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: #581b7f;
/* rgb */ color: rgb(88, 27, 127);
/* oklch */ color: oklch(37.3% 0.159 308.1);

Tailwind

colors: {
  custom: {
    50: '#8b5fa5',
    500: '#581b7f',
    950: '#000000',
  },
}

SCSS

$custom: #581b7f;
$custom-light: #8b5fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#581b7f",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 127
  },
  "hsl": {
    "h": 276.6,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37304,
    "c": 0.15896,
    "h": 308.1
  },
  "luminance": 0.04391
}

Semantic roles & 50–950 ramp

primary

#581B7F

secondary

#6FB343

accent

#E84081

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581B7F

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

Preview Lab → · Contrast checker → · Palette generator →