#581A8C#581A8C

#581A8C is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.3% C 0.173 H 303.5°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#581A8C
RGB	rgb(88, 26, 140)
HSL	hsl(273, 69%, 33%)
HSV	hsv(273, 81%, 55%)
CMYK	cmyk(37.1%, 81.4%, 0%, 45.1%)
CIE-LAB	lab(25.88, 48.43, -50.64)
CIE-LCH	lch(25.88, 70.07, 313.72°)
OKLab	oklab(38.32% 0.0956 -0.1445)
OKLCH	oklch(38.32% 0.173 303.5)
XYZ	xyz(9.1264, 4.7070, 25.2336)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A8C #4E8C1A

analogous

#1F1A8C #581A8C #8C1A87

triadic

#581A8C #8C581A #1A8C58

tetradic

#581A8C #8C1F1A #4E8C1A #1A878C

square

#581A8C #8C1F1A #4E8C1A #1A878C

split-complementary

#581A8C #878C1A #1A8C1F

monochromatic

#170725 #381058 #581A8C #7824C0 #9744DC

Accessibility & contrast

On white

10.82

#581A8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#581A8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A8C

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A8C	#FFFFFF	#000000	##FFFFFF
##581A8C	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8F

Deuteranopia (green-blind)

#003D8A

Tritanopia (blue-blind)

#4D3953

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #581a8c;
/* rgb */ color: rgb(88, 26, 140);
/* oklch */ color: oklch(38.3% 0.173 303.5);

Tailwind

colors: {
  custom: {
    50: '#8d5fae',
    500: '#581a8c',
    950: '#000000',
  },
}

SCSS

$custom: #581a8c;
$custom-light: #8d5fae;
$custom-dark: #000000;

JSON

{
  "hex": "#581a8c",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 140
  },
  "hsl": {
    "h": 272.632,
    "s": 68.675,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38317,
    "c": 0.17322,
    "h": 303.5
  },
  "luminance": 0.04707
}

Semantic roles & 50–950 ramp

primary

#581A8C

secondary

#7CBE44

accent

#EC3C8C

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #581A8C

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

Preview Lab → · Contrast checker → · Palette generator →