#57287E#57287E

#57287E is a dark, vivid violet. Relative luminance 0.051; OKLCH L 38.6% C 0.141 H 305.9°. Best body text is #FFFFFF at 10.45:1 contrast (WCAG AA passes).

Color values

HEX	#57287E
RGB	rgb(87, 40, 126)
HSL	hsl(273, 52%, 33%)
HSV	hsv(273, 68%, 49%)
CMYK	cmyk(31%, 68.3%, 0%, 50.6%)
CIE-LAB	lab(26.88, 38.38, -40.26)
CIE-LCH	lch(26.88, 55.62, 313.63°)
OKLab	oklab(38.64% 0.0826 -0.1141)
OKLCH	oklch(38.64% 0.141 305.9)
XYZ	xyz(8.4544, 5.0503, 20.2640)
Luminance	0.0505 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57287E #4F7E28

analogous

#2C287E #57287E #7E287A

triadic

#57287E #7E5728 #287E57

tetradic

#57287E #7E2C28 #4F7E28 #287A7E

square

#57287E #7E2C28 #4F7E28 #287A7E

split-complementary

#57287E #7A7E28 #287E2C

monochromatic

#170B21 #371950 #57287E #7737AC #9657CA

Accessibility & contrast

On white

10.45

#57287E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#57287E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57287E

10.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57287E	#FFFFFF	#000000	##FFFFFF
##57287E	1.00	10.45	2.01	10.45
#FFFFFF	10.45	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E81

Deuteranopia (green-blind)

#11407C

Tritanopia (blue-blind)

#503B4F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #57287e;
/* rgb */ color: rgb(87, 40, 126);
/* oklch */ color: oklch(38.6% 0.141 305.9);

Tailwind

colors: {
  custom: {
    50: '#8a65a4',
    500: '#57287e',
    950: '#000000',
  },
}

SCSS

$custom: #57287e;
$custom-light: #8a65a4;
$custom-dark: #000000;

JSON

{
  "hex": "#57287e",
  "rgb": {
    "r": 87,
    "g": 40,
    "b": 126
  },
  "hsl": {
    "h": 272.791,
    "s": 51.807,
    "l": 32.549
  },
  "oklch": {
    "l": 0.38639,
    "c": 0.14087,
    "h": 305.9
  },
  "luminance": 0.0505
}

Semantic roles & 50–950 ramp

primary

#57287E

secondary

#7DAF53

accent

#DB4D8D

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0C060F

muted

#7D7A7F

Preview Lab

Preview with #57287E

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

Preview Lab → · Contrast checker → · Palette generator →