#581A9D#581A9D

#581A9D is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.9% C 0.190 H 298.2°. Best body text is #FFFFFF at 10.25:1 contrast (WCAG AA passes).

Color values

HEX	#581A9D
RGB	rgb(88, 26, 157)
HSL	hsl(268, 72%, 36%)
HSV	hsv(268, 83%, 62%)
CMYK	cmyk(43.9%, 83.4%, 0%, 38.4%)
CIE-LAB	lab(27.43, 52.55, -58.58)
CIE-LCH	lch(27.43, 78.70, 311.89°)
OKLab	oklab(39.86% 0.0901 -0.1678)
OKLCH	oklch(39.86% 0.19 298.2)
XYZ	xyz(10.4781, 5.2476, 32.3526)
Luminance	0.0525 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A9D #5F9D1A

analogous

#1A1D9D #581A9D #991A9D

triadic

#581A9D #9D581A #1A9D58

tetradic

#581A9D #9D1A1D #5F9D1A #1A9D99

square

#581A9D #9D1A1D #5F9D1A #1A9D99

split-complementary

#581A9D #9D991A #1D9D1A

monochromatic

#1D0934 #3B1168 #581A9D #7523D2 #954FE2

Accessibility & contrast

On white

10.25

#581A9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#581A9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A9D

10.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A9D	#FFFFFF	#000000	##FFFFFF
##581A9D	1.00	10.25	2.05	10.25
#FFFFFF	10.25	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A0

Deuteranopia (green-blind)

#003F9B

Tritanopia (blue-blind)

#46405D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #581a9d;
/* rgb */ color: rgb(88, 26, 157);
/* oklch */ color: oklch(39.9% 0.190 298.2);

Tailwind

colors: {
  custom: {
    50: '#8f60bb',
    500: '#581a9d',
    950: '#000000',
  },
}

SCSS

$custom: #581a9d;
$custom-light: #8f60bb;
$custom-dark: #000000;

JSON

{
  "hex": "#581a9d",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 157
  },
  "hsl": {
    "h": 268.397,
    "s": 71.585,
    "l": 35.882
  },
  "oklch": {
    "l": 0.39863,
    "c": 0.19045,
    "h": 298.2
  },
  "luminance": 0.05248
}

Semantic roles & 50–950 ramp

primary

#581A9D

secondary

#8DC44E

accent

#EE3999

background

#F9F5FB

surface

#F2EAF6

border

#CCC6D0

text

#0D0512

muted

#7E7981

Preview Lab

Preview with #581A9D

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

Preview Lab → · Contrast checker → · Palette generator →