#57178E#57178E

#57178E is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.178 H 302.6°. Best body text is #FFFFFF at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#57178E
RGB	rgb(87, 23, 142)
HSL	hsl(272, 72%, 32%)
HSV	hsv(272, 84%, 56%)
CMYK	cmyk(38.7%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(25.54, 49.84, -52.45)
CIE-LCH	lch(25.54, 72.35, 313.54°)
OKLab	oklab(38.1% 0.0958 -0.1498)
OKLCH	oklch(38.1% 0.178 302.6)
XYZ	xyz(9.1182, 4.5920, 25.9919)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57178E #4E8E17

analogous

#1C178E #57178E #8E1789

triadic

#57178E #8E5717 #178E57

tetradic

#57178E #8E1C17 #4E8E17 #17898E

square

#57178E #8E1C17 #4E8E17 #17898E

split-complementary

#57178E #898E17 #178E1C

monochromatic

#160625 #370E59 #57178E #7720C3 #963FE0

Accessibility & contrast

On white

10.95

#57178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#57178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57178E

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57178E	#FFFFFF	#000000	##FFFFFF
##57178E	1.00	10.95	1.92	10.95
#FFFFFF	10.95	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C91

Deuteranopia (green-blind)

#003C8C

Tritanopia (blue-blind)

#4B3954

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #57178e;
/* rgb */ color: rgb(87, 23, 142);
/* oklch */ color: oklch(38.1% 0.178 302.6);

Tailwind

colors: {
  custom: {
    50: '#8c5eb0',
    500: '#57178e',
    950: '#000000',
  },
}

SCSS

$custom: #57178e;
$custom-light: #8c5eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#57178e",
  "rgb": {
    "r": 87,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 272.269,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38102,
    "c": 0.17779,
    "h": 302.6
  },
  "luminance": 0.04592
}

Semantic roles & 50–950 ramp

primary

#57178E

secondary

#7CC040

accent

#EF398D

background

#F9F5FA

surface

#F1E9F5

border

#CBC5CF

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #57178E

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

Preview Lab → · Contrast checker → · Palette generator →