#57287C#57287C

#57287C is a dark, vivid violet. Relative luminance 0.050; OKLCH L 38.5% C 0.139 H 306.7°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#57287C
RGB	rgb(87, 40, 124)
HSL	hsl(274, 51%, 32%)
HSV	hsv(274, 68%, 49%)
CMYK	cmyk(29.8%, 67.7%, 0%, 51.4%)
CIE-LAB	lab(26.73, 37.87, -39.23)
CIE-LCH	lch(26.73, 54.53, 313.99°)
OKLab	oklab(38.49% 0.0828 -0.1111)
OKLCH	oklch(38.49% 0.139 306.7)
XYZ	xyz(8.3266, 4.9991, 19.5912)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Rebeccapurple

#663399

ΔE00 5.53

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57287C #4D7C28

analogous

#2D287C #57287C #7C2877

triadic

#57287C #7C5728 #287C57

tetradic

#57287C #7C2D28 #4D7C28 #28777C

square

#57287C #7C2D28 #4D7C28 #28777C

split-complementary

#57287C #777C28 #287C2D

monochromatic

#160A1F #37194E #57287C #7737AA #9656C8

Accessibility & contrast

On white

10.50

#57287C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#57287C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57287C

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57287C	#FFFFFF	#000000	##FFFFFF
##57287C	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7F

Deuteranopia (green-blind)

#15407A

Tritanopia (blue-blind)

#513A4E

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #57287c;
/* rgb */ color: rgb(87, 40, 124);
/* oklch */ color: oklch(38.5% 0.139 306.7);

Tailwind

colors: {
  custom: {
    50: '#8a65a2',
    500: '#57287c',
    950: '#000000',
  },
}

SCSS

$custom: #57287c;
$custom-light: #8a65a2;
$custom-dark: #000000;

JSON

{
  "hex": "#57287c",
  "rgb": {
    "r": 87,
    "g": 40,
    "b": 124
  },
  "hsl": {
    "h": 273.571,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.38488,
    "c": 0.13854,
    "h": 306.7
  },
  "luminance": 0.04999
}

Semantic roles & 50–950 ramp

primary

#57287C

secondary

#7AAD52

accent

#DB4D8B

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0C060F

muted

#7D7A7F

Preview Lab

Preview with #57287C

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

Preview Lab → · Contrast checker → · Palette generator →