#57187B#57187B

#57187B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.158 H 309.4°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#57187B
RGB	rgb(87, 24, 123)
HSL	hsl(278, 67%, 29%)
HSV	hsv(278, 80%, 48%)
CMYK	cmyk(29.3%, 80.5%, 0%, 51.8%)
CIE-LAB	lab(24.03, 45.03, -42.97)
CIE-LCH	lch(24.03, 62.24, 316.34°)
OKLab	oklab(36.54% 0.1003 -0.122)
OKLCH	oklch(36.54% 0.158 309.4)
XYZ	xyz(7.8315, 4.1097, 19.1157)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57187B #3C7B18

analogous

#26187B #57187B #7B186E

triadic

#57187B #7B5718 #187B57

tetradic

#57187B #7B2618 #3C7B18 #186E7B

square

#57187B #7B2618 #3C7B18 #186E7B

split-complementary

#57187B #6E7B18 #187B26

monochromatic

#12051A #330E48 #57187B #7B22AE #9D36D8

Accessibility & contrast

On white

11.53

#57187B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#57187B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57187B

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57187B	#FFFFFF	#000000	##FFFFFF
##57187B	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377E

Deuteranopia (green-blind)

#003A79

Tritanopia (blue-blind)

#523149

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #57187b;
/* rgb */ color: rgb(87, 24, 123);
/* oklch */ color: oklch(36.5% 0.158 309.4);

Tailwind

colors: {
  custom: {
    50: '#8b5da2',
    500: '#57187b',
    950: '#000000',
  },
}

SCSS

$custom: #57187b;
$custom-light: #8b5da2;
$custom-dark: #000000;

JSON

{
  "hex": "#57187b",
  "rgb": {
    "r": 87,
    "g": 24,
    "b": 123
  },
  "hsl": {
    "h": 278.182,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36543,
    "c": 0.15789,
    "h": 309.4
  },
  "luminance": 0.0411
}

Semantic roles & 50–950 ramp

primary

#57187B

secondary

#68B03F

accent

#EA3E7C

background

#F8F5FA

surface

#F0E9F3

border

#CBC5CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #57187B

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

Preview Lab → · Contrast checker → · Palette generator →