#581BA0#581BA0

#581BA0 is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.2% C 0.193 H 297.3°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#581BA0
RGB	rgb(88, 27, 160)
HSL	hsl(268, 71%, 37%)
HSV	hsv(268, 83%, 63%)
CMYK	cmyk(45%, 83.1%, 0%, 37.3%)
CIE-LAB	lab(27.84, 52.93, -59.74)
CIE-LCH	lch(27.84, 79.82, 311.54°)
OKLab	oklab(40.23% 0.0884 -0.1712)
OKLCH	oklch(40.23% 0.193 297.3)
XYZ	xyz(10.7599, 5.3964, 33.7256)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581BA0 #63A01B

analogous

#1B20A0 #581BA0 #9B1BA0

triadic

#581BA0 #A0581B #1BA058

tetradic

#581BA0 #A01B20 #63A01B #1BA09B

square

#581BA0 #A01B20 #63A01B #1BA09B

split-complementary

#581BA0 #A09B1B #20A01B

monochromatic

#1E0937 #3B126C #581BA0 #7524D4 #9553E2

Accessibility & contrast

On white

10.10

#581BA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#581BA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581BA0

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581BA0	#FFFFFF	#000000	##FFFFFF
##581BA0	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A4

Deuteranopia (green-blind)

#00409E

Tritanopia (blue-blind)

#45425F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #581ba0;
/* rgb */ color: rgb(88, 27, 160);
/* oklch */ color: oklch(40.2% 0.193 297.3);

Tailwind

colors: {
  custom: {
    50: '#8f61bd',
    500: '#581ba0',
    950: '#000000',
  },
}

SCSS

$custom: #581ba0;
$custom-light: #8f61bd;
$custom-dark: #000000;

JSON

{
  "hex": "#581ba0",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 160
  },
  "hsl": {
    "h": 267.519,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40231,
    "c": 0.19267,
    "h": 297.3
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#581BA0

secondary

#90C552

accent

#EE3A9B

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581BA0

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

Preview Lab → · Contrast checker → · Palette generator →