#57278B#57278B

#57278B is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.5% C 0.157 H 301.4°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#57278B
RGB	rgb(87, 39, 139)
HSL	hsl(269, 56%, 35%)
HSV	hsv(269, 72%, 55%)
CMYK	cmyk(37.4%, 71.9%, 0%, 45.5%)
CIE-LAB	lab(27.69, 42.23, -47.08)
CIE-LCH	lch(27.69, 63.24, 311.89°)
OKLab	oklab(39.53% 0.082 -0.1342)
OKLCH	oklch(39.53% 0.157 301.4)
XYZ	xyz(9.3151, 5.3413, 24.9613)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57278B #5B8B27

analogous

#27298B #57278B #89278B

triadic

#57278B #8B5727 #278B57

tetradic

#57278B #8B2729 #5B8B27 #278B89

square

#57278B #8B2729 #5B8B27 #278B89

split-complementary

#57278B #8B8927 #298B27

monochromatic

#1B0C2B #391A5B #57278B #7534BB #945BD1

Accessibility & contrast

On white

10.15

#57278B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#57278B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57278B

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57278B	#FFFFFF	#000000	##FFFFFF
##57278B	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418E

Deuteranopia (green-blind)

#004189

Tritanopia (blue-blind)

#4C3F56

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #57278b;
/* rgb */ color: rgb(87, 39, 139);
/* oklch */ color: oklch(39.5% 0.157 301.4);

Tailwind

colors: {
  custom: {
    50: '#8b65ae',
    500: '#57278b',
    950: '#000000',
  },
}

SCSS

$custom: #57278b;
$custom-light: #8b65ae;
$custom-dark: #000000;

JSON

{
  "hex": "#57278b",
  "rgb": {
    "r": 87,
    "g": 39,
    "b": 139
  },
  "hsl": {
    "h": 268.8,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.39531,
    "c": 0.15723,
    "h": 301.4
  },
  "luminance": 0.05341
}

Semantic roles & 50–950 ramp

primary

#57278B

secondary

#89B658

accent

#DF4897

background

#F8F6FA

surface

#F0EBF4

border

#CBC6CE

text

#0C0610

muted

#7D7A7F

Preview Lab

Preview with #57278B

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

Preview Lab → · Contrast checker → · Palette generator →