#581D8E#581D8E

#581D8E is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.8% C 0.172 H 302.5°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#581D8E
RGB	rgb(88, 29, 142)
HSL	hsl(271, 66%, 34%)
HSV	hsv(271, 80%, 56%)
CMYK	cmyk(38%, 79.6%, 0%, 44.3%)
CIE-LAB	lab(26.47, 47.73, -50.93)
CIE-LCH	lch(26.47, 69.80, 313.14°)
OKLab	oklab(38.78% 0.0925 -0.1453)
OKLCH	oklch(38.78% 0.172 302.5)
XYZ	xyz(9.3452, 4.9064, 26.0406)
Luminance	0.0491 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D8E #538E1D

analogous

#1F1D8E #581D8E #8E1D8B

triadic

#581D8E #8E581D #1D8E58

tetradic

#581D8E #8E1F1D #538E1D #1D8B8E

square

#581D8E #8E1F1D #538E1D #1D8B8E

split-complementary

#581D8E #8B8E1D #1D8E1F

monochromatic

#190828 #39135B #581D8E #7727C1 #964BDA

Accessibility & contrast

On white

10.60

#581D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#581D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D8E

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D8E	#FFFFFF	#000000	##FFFFFF
##581D8E	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E91

Deuteranopia (green-blind)

#003E8C

Tritanopia (blue-blind)

#4C3B55

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #581d8e;
/* rgb */ color: rgb(88, 29, 142);
/* oklch */ color: oklch(38.8% 0.172 302.5);

Tailwind

colors: {
  custom: {
    50: '#8d60b0',
    500: '#581d8e',
    950: '#000000',
  },
}

SCSS

$custom: #581d8e;
$custom-light: #8d60b0;
$custom-dark: #000000;

JSON

{
  "hex": "#581d8e",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 142
  },
  "hsl": {
    "h": 271.327,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38778,
    "c": 0.17228,
    "h": 302.5
  },
  "luminance": 0.04906
}

Semantic roles & 50–950 ramp

primary

#581D8E

secondary

#81BD4A

accent

#E93F90

background

#F9F5FA

surface

#F1EAF5

border

#CBC6CF

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #581D8E

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

Preview Lab → · Contrast checker → · Palette generator →