#551B4E#551B4E

#551B4E is a dark, moderate purple. Relative luminance 0.033; OKLCH L 33.4% C 0.109 H 332.8°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#551B4E
RGB	rgb(85, 27, 78)
HSL	hsl(307, 52%, 22%)
HSV	hsv(307, 68%, 33%)
CMYK	cmyk(0%, 68.2%, 8.2%, 66.7%)
CIE-LAB	lab(21.08, 33.73, -18.23)
CIE-LCH	lch(21.08, 38.34, 331.62°)
OKLab	oklab(33.38% 0.097 -0.0498)
OKLCH	oklch(33.38% 0.109 332.8)
XYZ	xyz(5.5134, 3.2656, 7.5462)
Luminance	0.0326 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B4E #1B5522

analogous

#3F1B55 #551B4E #551B31

triadic

#551B4E #4E551B #1B4E55

tetradic

#551B4E #553F1B #1B5522 #1B3155

square

#551B4E #553F1B #1B5522 #1B3155

split-complementary

#551B4E #31551B #1B553F

monochromatic

#170715 #270C23 #551B4E #832A79 #B239A3

Accessibility & contrast

On white

12.70

#551B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#551B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B4E

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B4E	#FFFFFF	#000000	##FFFFFF
##551B4E	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192D50

Deuteranopia (green-blind)

#2C364C

Tritanopia (blue-blind)

#592031

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #551b4e;
/* rgb */ color: rgb(85, 27, 78);
/* oklch */ color: oklch(33.4% 0.109 332.8);

Tailwind

colors: {
  custom: {
    50: '#875c7f',
    500: '#551b4e',
    950: '#000000',
  },
}

SCSS

$custom: #551b4e;
$custom-light: #875c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#551b4e",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 78
  },
  "hsl": {
    "h": 307.241,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33383,
    "c": 0.10905,
    "h": 332.8
  },
  "luminance": 0.03265
}

Semantic roles & 50–950 ramp

primary

#551B4E

secondary

#418B4A

accent

#DB5E4D

background

#F8F5F7

surface

#F0E9EE

border

#CBC5C9

text

#0B040A

muted

#7C797C

Preview Lab

Preview with #551B4E

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

Preview Lab → · Contrast checker → · Palette generator →