#581D9D#581D9D

#581D9D is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.1% C 0.188 H 297.9°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#581D9D
RGB	rgb(88, 29, 157)
HSL	hsl(268, 69%, 36%)
HSV	hsv(268, 82%, 62%)
CMYK	cmyk(43.9%, 81.5%, 0%, 38.4%)
CIE-LAB	lab(27.81, 51.44, -57.95)
CIE-LCH	lch(27.81, 77.49, 311.59°)
OKLab	oklab(40.13% 0.088 -0.166)
OKLCH	oklch(40.13% 0.188 297.9)
XYZ	xyz(10.5481, 5.3876, 32.3759)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D9D #629D1D

analogous

#1D229D #581D9D #981D9D

triadic

#581D9D #9D581D #1D9D58

tetradic

#581D9D #9D1D22 #629D1D #1D9D98

square

#581D9D #9D1D22 #629D1D #1D9D98

split-complementary

#581D9D #9D981D #229D1D

monochromatic

#1E0A36 #3B1369 #581D9D #7527D1 #9555E0

Accessibility & contrast

On white

10.11

#581D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#581D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D9D

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D9D	#FFFFFF	#000000	##FFFFFF
##581D9D	1.00	10.11	2.08	10.11
#FFFFFF	10.11	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#46415E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #581d9d;
/* rgb */ color: rgb(88, 29, 157);
/* oklch */ color: oklch(40.1% 0.188 297.9);

Tailwind

colors: {
  custom: {
    50: '#8e61bb',
    500: '#581d9d',
    950: '#000000',
  },
}

SCSS

$custom: #581d9d;
$custom-light: #8e61bb;
$custom-dark: #000000;

JSON

{
  "hex": "#581d9d",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 157
  },
  "hsl": {
    "h": 267.656,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.40128,
    "c": 0.18785,
    "h": 297.9
  },
  "luminance": 0.05388
}

Semantic roles & 50–950 ramp

primary

#581D9D

secondary

#8FC353

accent

#EC3C9B

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581D9D

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

Preview Lab → · Contrast checker → · Palette generator →