#581F8B#581F8B

#581F8B is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.7% C 0.167 H 303.2°. Best body text is #FFFFFF at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#581F8B
RGB	rgb(88, 31, 139)
HSL	hsl(272, 64%, 33%)
HSV	hsv(272, 78%, 55%)
CMYK	cmyk(36.7%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(26.50, 46.15, -49.00)
CIE-LCH	lch(26.50, 67.32, 313.28°)
OKLab	oklab(38.72% 0.0915 -0.1397)
OKLCH	oklch(38.72% 0.167 303.2)
XYZ	xyz(9.1736, 4.9188, 24.8872)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F8B #528B1F

analogous

#221F8B #581F8B #8B1F88

triadic

#581F8B #8B581F #1F8B58

tetradic

#581F8B #8B221F #528B1F #1F888B

square

#581F8B #8B221F #528B1F #1F888B

split-complementary

#581F8B #888B1F #1F8B22

monochromatic

#190927 #381459 #581F8B #782ABD #964DD7

Accessibility & contrast

On white

10.59

#581F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#581F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F8B

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F8B	#FFFFFF	#000000	##FFFFFF
##581F8B	1.00	10.59	1.98	10.59
#FFFFFF	10.59	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8E

Deuteranopia (green-blind)

#003E89

Tritanopia (blue-blind)

#4E3B54

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #581f8b;
/* rgb */ color: rgb(88, 31, 139);
/* oklch */ color: oklch(38.7% 0.167 303.2);

Tailwind

colors: {
  custom: {
    50: '#8c61ae',
    500: '#581f8b',
    950: '#000000',
  },
}

SCSS

$custom: #581f8b;
$custom-light: #8c61ae;
$custom-dark: #000000;

JSON

{
  "hex": "#581f8b",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 271.667,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.38723,
    "c": 0.16701,
    "h": 303.2
  },
  "luminance": 0.04919
}

Semantic roles & 50–950 ramp

primary

#581F8B

secondary

#80BA4C

accent

#E7418F

background

#F9F6FA

surface

#F1EBF4

border

#CBC6CE

text

#0D0510

muted

#7E7A7F

Preview Lab

Preview with #581F8B

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

Preview Lab → · Contrast checker → · Palette generator →