#551B2B#551B2B

#551B2B is a dark, moderate pink. Relative luminance 0.029; OKLCH L 31.8% C 0.087 H 6.5°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#551B2B
RGB	rgb(85, 27, 43)
HSL	hsl(343, 52%, 22%)
HSV	hsv(343, 68%, 33%)
CMYK	cmyk(0%, 68.2%, 49.4%, 66.7%)
CIE-LAB	lab(19.60, 28.43, 3.77)
CIE-LCH	lch(19.60, 28.68, 7.55°)
OKLab	oklab(31.81% 0.0866 0.0099)
OKLCH	oklch(31.81% 0.087 6.5)
XYZ	xyz(4.5746, 2.8901, 2.6020)
Luminance	0.0289 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B2B #1B5545

analogous

#551B48 #551B2B #55281B

triadic

#551B2B #2B551B #1B2B55

tetradic

#551B2B #48551B #1B5545 #281B55

square

#551B2B #48551B #1B5545 #281B55

split-complementary

#551B2B #1B5528 #1B4855

monochromatic

#17070C #270C14 #551B2B #832A42 #B2395A

Accessibility & contrast

On white

13.31

#551B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#551B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B2B

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B2B	#FFFFFF	#000000	##FFFFFF
##551B2B	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27282B

Deuteranopia (green-blind)

#36342A

Tritanopia (blue-blind)

#5D1321

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551b2b;
/* rgb */ color: rgb(85, 27, 43);
/* oklch */ color: oklch(31.8% 0.087 6.5);

Tailwind

colors: {
  custom: {
    50: '#885b64',
    500: '#551b2b',
    950: '#000000',
  },
}

SCSS

$custom: #551b2b;
$custom-light: #885b64;
$custom-dark: #000000;

JSON

{
  "hex": "#551b2b",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 43
  },
  "hsl": {
    "h": 343.448,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31808,
    "c": 0.08717,
    "h": 6.5
  },
  "luminance": 0.0289
}

Semantic roles & 50–950 ramp

primary

#551B2B

secondary

#418B76

accent

#DBB44D

background

#F8F5F5

surface

#F0E9EA

border

#CBC5C6

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #551B2B

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

Preview Lab → · Contrast checker → · Palette generator →