#581F9A#581F9A

#581F9A is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.0% C 0.183 H 298.5°. Best body text is #FFFFFF at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#581F9A
RGB	rgb(88, 31, 154)
HSL	hsl(268, 66%, 36%)
HSV	hsv(268, 80%, 60%)
CMYK	cmyk(42.9%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(27.81, 49.89, -56.12)
CIE-LCH	lch(27.81, 75.09, 311.64°)
OKLab	oklab(40.04% 0.0874 -0.1606)
OKLCH	oklch(40.04% 0.183 298.5)
XYZ	xyz(10.3457, 5.3876, 31.0604)
Luminance	0.0539 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F9A #619A1F

analogous

#1F249A #581F9A #961F9A

triadic

#581F9A #9A581F #1F9A58

tetradic

#581F9A #9A1F24 #619A1F #1F9A96

square

#581F9A #9A1F24 #619A1F #1F9A96

split-complementary

#581F9A #9A961F #249A1F

monochromatic

#1E0A34 #3B1567 #581F9A #7529CD #9556DD

Accessibility & contrast

On white

10.11

#581F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#581F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F9A

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F9A	#FFFFFF	#000000	##FFFFFF
##581F9A	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)

#00429D

Deuteranopia (green-blind)

#004098

Tritanopia (blue-blind)

#47415C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #581f9a;
/* rgb */ color: rgb(88, 31, 154);
/* oklch */ color: oklch(40.0% 0.183 298.5);

Tailwind

colors: {
  custom: {
    50: '#8e62b9',
    500: '#581f9a',
    950: '#000000',
  },
}

SCSS

$custom: #581f9a;
$custom-light: #8e62b9;
$custom-dark: #000000;

JSON

{
  "hex": "#581f9a",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 267.805,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40044,
    "c": 0.18284,
    "h": 298.5
  },
  "luminance": 0.05388
}

Semantic roles & 50–950 ramp

primary

#581F9A

secondary

#8EC154

accent

#E93E9A

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581F9A

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

Preview Lab → · Contrast checker → · Palette generator →