#57128F#57128F

#57128F is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.8% C 0.183 H 302.7°. Best body text is #FFFFFF at 11.12:1 contrast (WCAG AA passes).

Color values

HEX	#57128F
RGB	rgb(87, 18, 143)
HSL	hsl(273, 78%, 32%)
HSV	hsv(273, 87%, 56%)
CMYK	cmyk(39.2%, 87.4%, 0%, 43.9%)
CIE-LAB	lab(25.08, 51.69, -53.82)
CIE-LCH	lch(25.08, 74.62, 313.84°)
OKLab	oklab(37.81% 0.0987 -0.1538)
OKLCH	oklch(37.81% 0.183 302.7)
XYZ	xyz(9.1035, 4.4420, 26.3591)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57128F #4A8F12

analogous

#19128F #57128F #8F1289

triadic

#57128F #8F5712 #128F57

tetradic

#57128F #8F1912 #4A8F12 #12898F

square

#57128F #8F1912 #4A8F12 #12898F

split-complementary

#57128F #898F12 #128F19

monochromatic

#150422 #360B59 #57128F #7819C5 #9736E6

Accessibility & contrast

On white

11.12

#57128F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#57128F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57128F

11.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57128F	#FFFFFF	#000000	##FFFFFF
##57128F	1.00	11.12	1.89	11.12
#FFFFFF	11.12	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#003B8D

Tritanopia (blue-blind)

#4B3754

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #57128f;
/* rgb */ color: rgb(87, 18, 143);
/* oklch */ color: oklch(37.8% 0.183 302.7);

Tailwind

colors: {
  custom: {
    50: '#8d5cb1',
    500: '#57128f',
    950: '#000000',
  },
}

SCSS

$custom: #57128f;
$custom-light: #8d5cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#57128f",
  "rgb": {
    "r": 87,
    "g": 18,
    "b": 143
  },
  "hsl": {
    "h": 273.12,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37814,
    "c": 0.18275,
    "h": 302.7
  },
  "luminance": 0.04442
}

Semantic roles & 50–950 ramp

primary

#57128F

secondary

#77C33A

accent

#F4348A

background

#F9F5FB

surface

#F1E9F6

border

#CBC5D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #57128F

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

Preview Lab → · Contrast checker → · Palette generator →