#55137B#55137B

#55137B is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.8% C 0.162 H 308.8°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#55137B
RGB	rgb(85, 19, 123)
HSL	hsl(278, 73%, 28%)
HSV	hsv(278, 85%, 48%)
CMYK	cmyk(30.9%, 84.6%, 0%, 51.8%)
CIE-LAB	lab(23.09, 46.47, -44.51)
CIE-LCH	lch(23.09, 64.35, 316.23°)
OKLab	oklab(35.82% 0.1016 -0.1265)
OKLCH	oklch(35.82% 0.162 308.8)
XYZ	xyz(7.5536, 3.8272, 19.0759)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55137B #397B13

analogous

#21137B #55137B #7B136D

triadic

#55137B #7B5513 #137B55

tetradic

#55137B #7B2113 #397B13 #136D7B

square

#55137B #7B2113 #397B13 #136D7B

split-complementary

#55137B #6D7B13 #137B21

monochromatic

#12041B #300B46 #55137B #7A1BB0 #9C2ADE

Accessibility & contrast

On white

11.90

#55137B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#55137B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55137B

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55137B	#FFFFFF	#000000	##FFFFFF
##55137B	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#003879

Tritanopia (blue-blind)

#4F2F48

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #55137b;
/* rgb */ color: rgb(85, 19, 123);
/* oklch */ color: oklch(35.8% 0.162 308.8);

Tailwind

colors: {
  custom: {
    50: '#8a5ba2',
    500: '#55137b',
    950: '#000000',
  },
}

SCSS

$custom: #55137b;
$custom-light: #8a5ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#55137b",
  "rgb": {
    "r": 85,
    "g": 19,
    "b": 123
  },
  "hsl": {
    "h": 278.077,
    "s": 73.239,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35821,
    "c": 0.16225,
    "h": 308.8
  },
  "luminance": 0.03827
}

Semantic roles & 50–950 ramp

primary

#55137B

secondary

#65B139

accent

#F0387B

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C040F

muted

#7D797F

Preview Lab

Preview with #55137B

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

Preview Lab → · Contrast checker → · Palette generator →