#552B1F#552B1F
#552B1F is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.2% C 0.066 H 36.8°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #552B1F |
|---|---|
| RGB | rgb(85, 43, 31) |
| HSL | hsl(13, 47%, 23%) |
| HSV | hsv(13, 64%, 33%) |
| CMYK | cmyk(0%, 49.4%, 63.5%, 66.7%) |
| CIE-LAB | lab(22.86, 18.07, 16.37) |
| CIE-LCH | lch(22.86, 24.38, 42.17°) |
| OKLab | oklab(34.18% 0.0526 0.0393) |
| OKLCH | oklch(34.18% 0.066 36.8) |
| XYZ | xyz(4.8579, 3.7585, 1.7657) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Chocolate Brown
#411900
ΔE00 6.77
Chocolate (survey)
#3D1C02
ΔE00 7.69
Espresso
#4B382A
ΔE00 9.69
Purple Brown
#673A3F
ΔE00 9.84
Reddy Brown
#6E1005
ΔE00 9.91
Dried Blood
#4B0101
ΔE00 10.07
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#552B1F #1F4955
analogous
#551F2E #552B1F #55461F
triadic
#552B1F #1F552B #2B1F55
tetradic
#552B1F #2E551F #1F4955 #461F55
square
#552B1F #2E551F #1F4955 #461F55
split-complementary
#552B1F #1F5546 #1F2E55
monochromatic
#160B08 #28140F #552B1F #82422F #AF5840
Accessibility & contrast
On white
11.99
#552B1F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#552B1F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #552B1F
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##552B1F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##552B1F | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#36311E
Deuteranopia (green-blind)
#403A1E
Tritanopia (blue-blind)
#5D2428
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #552b1f; /* rgb */ color: rgb(85, 43, 31); /* oklch */ color: oklch(34.2% 0.066 36.8);
Tailwind
colors: {
custom: {
50: '#88655a',
500: '#552b1f',
950: '#000000',
},
}SCSS
$custom: #552b1f; $custom-light: #88655a; $custom-dark: #000000;
JSON
{
"hex": "#552b1f",
"rgb": {
"r": 85,
"g": 43,
"b": 31
},
"hsl": {
"h": 13.333,
"s": 46.552,
"l": 22.745
},
"oklch": {
"l": 0.34178,
"c": 0.06566,
"h": 36.8
},
"luminance": 0.03758
}Semantic roles & 50–950 ramp
primary
#552B1F
secondary
#467B8A
accent
#B9D652
background
#F8F6F5
surface
#F0EBE9
border
#CBC6C5
text
#0C0504
muted
#7D7A79