#581CA9#581CA9

#581CA9 is a dark, highly saturated violet. Relative luminance 0.058; OKLCH L 41.2% C 0.201 H 294.9°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#581CA9
RGB	rgb(88, 28, 169)
HSL	hsl(266, 72%, 39%)
HSV	hsv(266, 83%, 66%)
CMYK	cmyk(47.9%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(28.82, 54.80, -63.57)
CIE-LCH	lch(28.82, 83.93, 310.77°)
OKLab	oklab(41.17% 0.0846 -0.1824)
OKLCH	oklch(41.17% 0.201 294.9)
XYZ	xyz(11.5992, 5.7695, 38.0309)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581CA9 #6DA91C

analogous

#1C26A9 #581CA9 #9E1CA9

triadic

#581CA9 #A9581C #1CA958

tetradic

#581CA9 #A91C26 #6DA91C #1CA99E

square

#581CA9 #A91C26 #6DA91C #1CA99E

split-complementary

#581CA9 #A99E1C #26A91C

monochromatic

#210B40 #3D1374 #581CA9 #7427DB #965BE4

Accessibility & contrast

On white

9.75

#581CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#581CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581CA9

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581CA9	#FFFFFF	#000000	##FFFFFF
##581CA9	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#0042A6

Tritanopia (blue-blind)

#404665

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #581ca9;
/* rgb */ color: rgb(88, 28, 169);
/* oklch */ color: oklch(41.2% 0.201 294.9);

Tailwind

colors: {
  custom: {
    50: '#9062c4',
    500: '#581ca9',
    950: '#000000',
  },
}

SCSS

$custom: #581ca9;
$custom-light: #9062c4;
$custom-dark: #000000;

JSON

{
  "hex": "#581ca9",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 265.532,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.41174,
    "c": 0.20106,
    "h": 294.9
  },
  "luminance": 0.0577
}

Semantic roles & 50–950 ramp

primary

#581CA9

secondary

#99C859

accent

#EE39A1

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0513

muted

#7E7A82

Preview Lab

Preview with #581CA9

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

Preview Lab → · Contrast checker → · Palette generator →