#57428E#57428E

#57428E is a dark, vivid violet. Relative luminance 0.079; OKLCH L 44.0% C 0.121 H 293.5°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#57428E
RGB	rgb(87, 66, 142)
HSL	hsl(257, 37%, 41%)
HSV	hsv(257, 54%, 56%)
CMYK	cmyk(38.7%, 53.5%, 0%, 44.3%)
CIE-LAB	lab(33.72, 27.56, -39.20)
CIE-LCH	lch(33.72, 47.92, 305.10°)
OKLab	oklab(44% 0.0484 -0.111)
OKLCH	oklch(44% 0.121 293.5)
XYZ	xyz(10.7599, 7.8754, 26.5391)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57428E #798E42

analogous

#42538E #57428E #7D428E

triadic

#57428E #8E5742 #428E57

tetradic

#57428E #8E4253 #798E42 #428E7D

square

#57428E #8E4253 #798E42 #428E7D

split-complementary

#57428E #8E7D42 #538E42

monochromatic

#241B3A #3D2F64 #57428E #735BB3 #9784C6

Accessibility & contrast

On white

8.15

#57428E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#57428E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57428E

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57428E	#FFFFFF	#000000	##FFFFFF
##57428E	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235091

Deuteranopia (green-blind)

#274E8C

Tritanopia (blue-blind)

#495161

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #57428e;
/* rgb */ color: rgb(87, 66, 142);
/* oklch */ color: oklch(44.0% 0.121 293.5);

Tailwind

colors: {
  custom: {
    50: '#8a77af',
    500: '#57428e',
    950: '#000000',
  },
}

SCSS

$custom: #57428e;
$custom-light: #8a77af;
$custom-dark: #000000;

JSON

{
  "hex": "#57428e",
  "rgb": {
    "r": 87,
    "g": 66,
    "b": 142
  },
  "hsl": {
    "h": 256.579,
    "s": 36.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.43998,
    "c": 0.12113,
    "h": 293.5
  },
  "luminance": 0.07876
}

Semantic roles & 50–950 ramp

primary

#57428E

secondary

#A2B17B

accent

#CD5BAD

background

#F8F7FA

surface

#F0EDF5

border

#CBC8CF

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #57428E

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

Preview Lab → · Contrast checker → · Palette generator →