#581C7E#581C7E

#581C7E is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.157 H 308.4°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#581C7E
RGB	rgb(88, 28, 126)
HSL	hsl(277, 64%, 30%)
HSV	hsv(277, 78%, 49%)
CMYK	cmyk(30.2%, 77.8%, 0%, 50.6%)
CIE-LAB	lab(24.99, 44.30, -43.31)
CIE-LCH	lch(24.99, 61.96, 315.65°)
OKLab	oklab(37.32% 0.0973 -0.123)
OKLCH	oklch(37.32% 0.157 308.4)
XYZ	xyz(8.2049, 4.4117, 20.1539)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.58

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C7E #427E1C

analogous

#271C7E #581C7E #7E1C73

triadic

#581C7E #7E581C #1C7E58

tetradic

#581C7E #7E271C #427E1C #1C737E

square

#581C7E #7E271C #427E1C #1C737E

split-complementary

#581C7E #737E1C #1C7E27

monochromatic

#12061A #35114C #581C7E #7B27B0 #9B40D5

Accessibility & contrast

On white

11.16

#581C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#581C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C7E

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C7E	#FFFFFF	#000000	##FFFFFF
##581C7E	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003981

Deuteranopia (green-blind)

#003C7C

Tritanopia (blue-blind)

#52344C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581c7e;
/* rgb */ color: rgb(88, 28, 126);
/* oklch */ color: oklch(37.3% 0.157 308.4);

Tailwind

colors: {
  custom: {
    50: '#8b5fa4',
    500: '#581c7e',
    950: '#000000',
  },
}

SCSS

$custom: #581c7e;
$custom-light: #8b5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#581c7e",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 126
  },
  "hsl": {
    "h": 276.735,
    "s": 63.636,
    "l": 30.196
  },
  "oklch": {
    "l": 0.37324,
    "c": 0.15681,
    "h": 308.4
  },
  "luminance": 0.04412
}

Semantic roles & 50–950 ramp

primary

#581C7E

secondary

#6FB244

accent

#E74181

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581C7E

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

Preview Lab → · Contrast checker → · Palette generator →