#581A8F#581A8F

#581A8F is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.176 H 302.5°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#581A8F
RGB	rgb(88, 26, 143)
HSL	hsl(272, 69%, 33%)
HSV	hsv(272, 82%, 56%)
CMYK	cmyk(38.5%, 81.8%, 0%, 43.9%)
CIE-LAB	lab(26.15, 49.15, -52.07)
CIE-LCH	lch(26.15, 71.60, 313.35°)
OKLab	oklab(38.58% 0.0947 -0.1487)
OKLCH	oklch(38.58% 0.176 302.5)
XYZ	xyz(9.3506, 4.7966, 26.4145)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581A8F #518F1A

analogous

#1D1A8F #581A8F #8F1A8B

triadic

#581A8F #8F581A #1A8F58

tetradic

#581A8F #8F1D1A #518F1A #1A8B8F

square

#581A8F #8F1D1A #518F1A #1A8B8F

split-complementary

#581A8F #8B8F1A #1A8F1D

monochromatic

#180727 #38115B #581A8F #7823C3 #9646DD

Accessibility & contrast

On white

10.72

#581A8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#581A8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581A8F

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581A8F	#FFFFFF	#000000	##FFFFFF
##581A8F	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D92

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#4C3A55

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #581a8f;
/* rgb */ color: rgb(88, 26, 143);
/* oklch */ color: oklch(38.6% 0.176 302.5);

Tailwind

colors: {
  custom: {
    50: '#8d5fb1',
    500: '#581a8f',
    950: '#000000',
  },
}

SCSS

$custom: #581a8f;
$custom-light: #8d5fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#581a8f",
  "rgb": {
    "r": 88,
    "g": 26,
    "b": 143
  },
  "hsl": {
    "h": 271.795,
    "s": 69.231,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38582,
    "c": 0.17626,
    "h": 302.5
  },
  "luminance": 0.04797
}

Semantic roles & 50–950 ramp

primary

#581A8F

secondary

#7FBF46

accent

#EC3C8F

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #581A8F

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

Preview Lab → · Contrast checker → · Palette generator →