#551B4F#551B4F

#551B4F is a dark, moderate purple. Relative luminance 0.033; OKLCH L 33.4% C 0.110 H 332.0°. Best body text is #FFFFFF at 12.68:1 contrast (WCAG AA passes).

Color values

HEX	#551B4F
RGB	rgb(85, 27, 79)
HSL	hsl(306, 52%, 22%)
HSV	hsv(306, 68%, 33%)
CMYK	cmyk(0%, 68.2%, 7.1%, 66.7%)
CIE-LAB	lab(21.13, 33.92, -18.82)
CIE-LCH	lch(21.13, 38.79, 330.98°)
OKLab	oklab(33.44% 0.0971 -0.0515)
OKLCH	oklch(33.44% 0.11 332)
XYZ	xyz(5.5495, 3.2801, 7.7365)
Luminance	0.0328 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B4F #1B5521

analogous

#3E1B55 #551B4F #551B32

triadic

#551B4F #4F551B #1B4F55

tetradic

#551B4F #553E1B #1B5521 #1B3255

square

#551B4F #553E1B #1B5521 #1B3255

split-complementary

#551B4F #32551B #1B553E

monochromatic

#170716 #270C24 #551B4F #832A7A #B239A5

Accessibility & contrast

On white

12.68

#551B4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#551B4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B4F

12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B4F	#FFFFFF	#000000	##FFFFFF
##551B4F	1.00	12.68	1.66	12.68
#FFFFFF	12.68	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182D51

Deuteranopia (green-blind)

#2C364D

Tritanopia (blue-blind)

#592032

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #551b4f;
/* rgb */ color: rgb(85, 27, 79);
/* oklch */ color: oklch(33.4% 0.110 332.0);

Tailwind

colors: {
  custom: {
    50: '#875c80',
    500: '#551b4f',
    950: '#000000',
  },
}

SCSS

$custom: #551b4f;
$custom-light: #875c80;
$custom-dark: #000000;

JSON

{
  "hex": "#551b4f",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 79
  },
  "hsl": {
    "h": 306.207,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.3344,
    "c": 0.10995,
    "h": 332
  },
  "luminance": 0.0328
}

Semantic roles & 50–950 ramp

primary

#551B4F

secondary

#418B49

accent

#DB5B4D

background

#F8F5F7

surface

#F0E9EE

border

#CBC5C9

text

#0B040A

muted

#7C797C

Preview Lab

Preview with #551B4F

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

Preview Lab → · Contrast checker → · Palette generator →