#551B29#551B29

#551B29 is a dark, moderate red. Relative luminance 0.029; OKLCH L 31.7% C 0.087 H 8.8°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#551B29
RGB	rgb(85, 27, 41)
HSL	hsl(346, 52%, 22%)
HSV	hsv(346, 68%, 33%)
CMYK	cmyk(0%, 68.2%, 51.8%, 66.7%)
CIE-LAB	lab(19.54, 28.21, 5.09)
CIE-LCH	lch(19.54, 28.67, 10.23°)
OKLab	oklab(31.75% 0.0857 0.0132)
OKLCH	oklch(31.75% 0.087 8.8)
XYZ	xyz(4.5388, 2.8758, 2.4135)
Luminance	0.0288 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#551B29 #1B5547

analogous

#551B46 #551B29 #552A1B

triadic

#551B29 #29551B #1B2955

tetradic

#551B29 #46551B #1B5547 #2A1B55

square

#551B29 #46551B #1B5547 #2A1B55

split-complementary

#551B29 #1B552A #1B4655

monochromatic

#17070B #270C13 #551B29 #832A3F #B23956

Accessibility & contrast

On white

13.33

#551B29 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#551B29 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #551B29

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##551B29	#FFFFFF	#000000	##FFFFFF
##551B29	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282829

Deuteranopia (green-blind)

#373428

Tritanopia (blue-blind)

#5D1320

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #551b29;
/* rgb */ color: rgb(85, 27, 41);
/* oklch */ color: oklch(31.7% 0.087 8.8);

Tailwind

colors: {
  custom: {
    50: '#885b62',
    500: '#551b29',
    950: '#000000',
  },
}

SCSS

$custom: #551b29;
$custom-light: #885b62;
$custom-dark: #000000;

JSON

{
  "hex": "#551b29",
  "rgb": {
    "r": 85,
    "g": 27,
    "b": 41
  },
  "hsl": {
    "h": 345.517,
    "s": 51.786,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31745,
    "c": 0.08673,
    "h": 8.8
  },
  "luminance": 0.02875
}

Semantic roles & 50–950 ramp

primary

#551B29

secondary

#418B79

accent

#DBB94D

background

#F8F5F5

surface

#F0E9EA

border

#CBC5C6

text

#0C0405

muted

#7D7979

Preview Lab

Preview with #551B29

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

Preview Lab → · Contrast checker → · Palette generator →