#581F9E#581F9E

#581F9E is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.4% C 0.187 H 297.4°. Best body text is #FFFFFF at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#581F9E
RGB	rgb(88, 31, 158)
HSL	hsl(267, 67%, 37%)
HSV	hsv(267, 80%, 62%)
CMYK	cmyk(44.3%, 80.4%, 0%, 38%)
CIE-LAB	lab(28.18, 50.90, -57.97)
CIE-LCH	lch(28.18, 77.14, 311.28°)
OKLab	oklab(40.41% 0.0862 -0.166)
OKLCH	oklch(40.41% 0.187 297.4)
XYZ	xyz(10.6844, 5.5231, 32.8443)
Luminance	0.0552 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F9E #659E1F

analogous

#1F269E #581F9E #981F9E

triadic

#581F9E #9E581F #1F9E58

tetradic

#581F9E #9E1F26 #659E1F #1F9E98

square

#581F9E #9E1F26 #659E1F #1F9E98

split-complementary

#581F9E #9E981F #269E1F

monochromatic

#1F0B38 #3C156B #581F9E #7429D1 #9559DE

Accessibility & contrast

On white

9.98

#581F9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#581F9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F9E

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F9E	#FFFFFF	#000000	##FFFFFF
##581F9E	1.00	9.98	2.10	9.98
#FFFFFF	9.98	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#45435F

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #581f9e;
/* rgb */ color: rgb(88, 31, 158);
/* oklch */ color: oklch(40.4% 0.187 297.4);

Tailwind

colors: {
  custom: {
    50: '#8e62bc',
    500: '#581f9e',
    950: '#000000',
  },
}

SCSS

$custom: #581f9e;
$custom-light: #8e62bc;
$custom-dark: #000000;

JSON

{
  "hex": "#581f9e",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 158
  },
  "hsl": {
    "h": 266.929,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4041,
    "c": 0.18705,
    "h": 297.4
  },
  "luminance": 0.05523
}

Semantic roles & 50–950 ramp

primary

#581F9E

secondary

#92C256

accent

#EA3E9D

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581F9E

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

Preview Lab → · Contrast checker → · Palette generator →