#581D9E#581D9E

#581D9E is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.2% C 0.189 H 297.7°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#581D9E
RGB	rgb(88, 29, 158)
HSL	hsl(267, 69%, 37%)
HSV	hsv(267, 82%, 62%)
CMYK	cmyk(44.3%, 81.6%, 0%, 38%)
CIE-LAB	lab(27.90, 51.68, -58.41)
CIE-LCH	lch(27.90, 77.99, 311.50°)
OKLab	oklab(40.22% 0.0877 -0.1673)
OKLCH	oklch(40.22% 0.189 297.7)
XYZ	xyz(10.6338, 5.4219, 32.8274)
Luminance	0.0542 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D9E #639E1D

analogous

#1D229E #581D9E #991D9E

triadic

#581D9E #9E581D #1D9E58

tetradic

#581D9E #9E1D22 #639E1D #1D9E99

square

#581D9E #9E1D22 #639E1D #1D9E99

split-complementary

#581D9E #9E991D #229E1D

monochromatic

#1E0A37 #3B146A #581D9E #7526D2 #9556E0

Accessibility & contrast

On white

10.07

#581D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#581D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D9E

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D9E	#FFFFFF	#000000	##FFFFFF
##581D9E	1.00	10.07	2.08	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A1

Deuteranopia (green-blind)

#00409C

Tritanopia (blue-blind)

#46425E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #581d9e;
/* rgb */ color: rgb(88, 29, 158);
/* oklch */ color: oklch(40.2% 0.189 297.7);

Tailwind

colors: {
  custom: {
    50: '#8f61bc',
    500: '#581d9e',
    950: '#000000',
  },
}

SCSS

$custom: #581d9e;
$custom-light: #8f61bc;
$custom-dark: #000000;

JSON

{
  "hex": "#581d9e",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 267.442,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40221,
    "c": 0.18888,
    "h": 297.7
  },
  "luminance": 0.05422
}

Semantic roles & 50–950 ramp

primary

#581D9E

secondary

#90C354

accent

#EC3C9B

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581D9E

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

Preview Lab → · Contrast checker → · Palette generator →