#57128E#57128E

#57128E is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.7% C 0.182 H 303.0°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#57128E
RGB	rgb(87, 18, 142)
HSL	hsl(273, 78%, 31%)
HSV	hsv(273, 87%, 56%)
CMYK	cmyk(38.7%, 87.3%, 0%, 44.3%)
CIE-LAB	lab(24.99, 51.46, -53.35)
CIE-LCH	lch(24.99, 74.12, 313.97°)
OKLab	oklab(37.72% 0.0991 -0.1524)
OKLCH	oklch(37.72% 0.182 303)
XYZ	xyz(9.0281, 4.4118, 25.9619)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57128E #498E12

analogous

#19128E #57128E #8E1287

triadic

#57128E #8E5712 #128E57

tetradic

#57128E #8E1912 #498E12 #12878E

square

#57128E #8E1912 #498E12 #12878E

split-complementary

#57128E #878E12 #128E19

monochromatic

#140421 #360B58 #57128E #7819C4 #9735E5

Accessibility & contrast

On white

11.16

#57128E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#57128E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57128E

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57128E	#FFFFFF	#000000	##FFFFFF
##57128E	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A91

Deuteranopia (green-blind)

#003B8C

Tritanopia (blue-blind)

#4B3753

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #57128e;
/* rgb */ color: rgb(87, 18, 142);
/* oklch */ color: oklch(37.7% 0.182 303.0);

Tailwind

colors: {
  custom: {
    50: '#8d5cb0',
    500: '#57128e',
    950: '#000000',
  },
}

SCSS

$custom: #57128e;
$custom-light: #8d5cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#57128e",
  "rgb": {
    "r": 87,
    "g": 18,
    "b": 142
  },
  "hsl": {
    "h": 273.387,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.37722,
    "c": 0.18179,
    "h": 303
  },
  "luminance": 0.04412
}

Semantic roles & 50–950 ramp

primary

#57128E

secondary

#76C23A

accent

#F43489

background

#F9F5FB

surface

#F1E9F6

border

#CBC5D0

text

#0D0411

muted

#7E7980

Preview Lab

Preview with #57128E

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

Preview Lab → · Contrast checker → · Palette generator →