#57428C#57428C

#57428C is a dark, moderate violet. Relative luminance 0.078; OKLCH L 43.9% C 0.118 H 294.1°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#57428C
RGB	rgb(87, 66, 140)
HSL	hsl(257, 36%, 40%)
HSV	hsv(257, 53%, 55%)
CMYK	cmyk(37.9%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(33.60, 26.98, -38.18)
CIE-LCH	lch(33.60, 46.75, 305.25°)
OKLab	oklab(43.86% 0.0482 -0.108)
OKLCH	oklch(43.86% 0.118 294.1)
XYZ	xyz(10.6111, 7.8159, 25.7554)
Luminance	0.0782 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57428C #778C42

analogous

#42528C #57428C #7C428C

triadic

#57428C #8C5742 #428C57

tetradic

#57428C #8C4252 #778C42 #428C7C

square

#57428C #8C4252 #778C42 #428C7C

split-complementary

#57428C #8C7C42 #528C42

monochromatic

#231B39 #3D2E62 #57428C #735AB1 #9684C5

Accessibility & contrast

On white

8.19

#57428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#57428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57428C

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57428C	#FFFFFF	#000000	##FFFFFF
##57428C	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25508F

Deuteranopia (green-blind)

#294E8A

Tritanopia (blue-blind)

#4A5160

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #57428c;
/* rgb */ color: rgb(87, 66, 140);
/* oklch */ color: oklch(43.9% 0.118 294.1);

Tailwind

colors: {
  custom: {
    50: '#8977ae',
    500: '#57428c',
    950: '#000000',
  },
}

SCSS

$custom: #57428c;
$custom-light: #8977ae;
$custom-dark: #000000;

JSON

{
  "hex": "#57428c",
  "rgb": {
    "r": 87,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 257.027,
    "s": 35.922,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43864,
    "c": 0.11832,
    "h": 294.1
  },
  "luminance": 0.07816
}

Semantic roles & 50–950 ramp

primary

#57428C

secondary

#A0B07A

accent

#CC5CAC

background

#F8F7FA

surface

#F0EDF4

border

#CBC8CE

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #57428C

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

Preview Lab → · Contrast checker → · Palette generator →