#57428D#57428D

#57428D is a dark, moderate violet. Relative luminance 0.078; OKLCH L 43.9% C 0.120 H 293.8°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#57428D
RGB	rgb(87, 66, 141)
HSL	hsl(257, 36%, 41%)
HSV	hsv(257, 53%, 55%)
CMYK	cmyk(38.3%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(33.66, 27.27, -38.69)
CIE-LCH	lch(33.66, 47.33, 305.17°)
OKLab	oklab(43.93% 0.0483 -0.1095)
OKLCH	oklch(43.93% 0.12 293.8)
XYZ	xyz(10.6852, 7.8455, 26.1455)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57428D #788D42

analogous

#42528D #57428D #7C428D

triadic

#57428D #8D5742 #428D57

tetradic

#57428D #8D4252 #788D42 #428D7C

square

#57428D #8D4252 #788D42 #428D7C

split-complementary

#57428D #8D7C42 #528D42

monochromatic

#241B3A #3D2E63 #57428D #735AB2 #9684C5

Accessibility & contrast

On white

8.17

#57428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#57428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57428D

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57428D	#FFFFFF	#000000	##FFFFFF
##57428D	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245090

Deuteranopia (green-blind)

#284E8B

Tritanopia (blue-blind)

#4A5161

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #57428d;
/* rgb */ color: rgb(87, 66, 141);
/* oklch */ color: oklch(43.9% 0.120 293.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#57428d",
  "rgb": {
    "r": 87,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 256.8,
    "s": 36.232,
    "l": 40.588
  },
  "oklch": {
    "l": 0.43931,
    "c": 0.11972,
    "h": 293.8
  },
  "luminance": 0.07846
}

Semantic roles & 50–950 ramp

primary

#57428D

secondary

#A1B07B

accent

#CC5CAD

background

#F8F7FA

surface

#F0EDF4

border

#CBC8CE

text

#0C0810

muted

#7D7B7F

Preview Lab

Preview with #57428D

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

Preview Lab → · Contrast checker → · Palette generator →