#57166B#57166B

#57166B is a dark, vivid purple. Relative luminance 0.037; OKLCH L 35.1% C 0.144 H 316.8°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#57166B
RGB	rgb(87, 22, 107)
HSL	hsl(286, 66%, 25%)
HSV	hsv(286, 79%, 42%)
CMYK	cmyk(18.7%, 79.4%, 0%, 58%)
CIE-LAB	lab(22.52, 42.25, -35.13)
CIE-LCH	lch(22.52, 54.95, 320.25°)
OKLab	oklab(35.09% 0.1052 -0.0989)
OKLCH	oklch(35.09% 0.144 316.8)
XYZ	xyz(6.8708, 3.6619, 14.2520)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57166B #2A6B16

analogous

#2C166B #57166B #6B1654

triadic

#57166B #6B5716 #166B57

tetradic

#57166B #6B2C16 #2A6B16 #16546B

square

#57166B #6B2C16 #2A6B16 #16546B

split-complementary

#57166B #546B16 #166B2C

monochromatic

#150519 #2E0C38 #57166B #80209E #AA2BD1

Accessibility & contrast

On white

12.12

#57166B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#57166B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #57166B

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57166B	#FFFFFF	#000000	##FFFFFF
##57166B	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326D

Deuteranopia (green-blind)

#173869

Tritanopia (blue-blind)

#562940

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #57166b;
/* rgb */ color: rgb(87, 22, 107);
/* oklch */ color: oklch(35.1% 0.144 316.8);

Tailwind

colors: {
  custom: {
    50: '#8a5b96',
    500: '#57166b',
    950: '#000000',
  },
}

SCSS

$custom: #57166b;
$custom-light: #8a5b96;
$custom-dark: #000000;

JSON

{
  "hex": "#57166b",
  "rgb": {
    "r": 87,
    "g": 22,
    "b": 107
  },
  "hsl": {
    "h": 285.882,
    "s": 65.891,
    "l": 25.294
  },
  "oklch": {
    "l": 0.35086,
    "c": 0.14442,
    "h": 316.8
  },
  "luminance": 0.03662
}

Semantic roles & 50–950 ramp

primary

#57166B

secondary

#53A13B

accent

#E93F67

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C040D

muted

#7D797E

Preview Lab

Preview with #57166B

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

Preview Lab → · Contrast checker → · Palette generator →