#550D0A

#550D0A

Color Values

HEX

#550D0A

RGB

85, 13, 10

HSL

2.4, 78.9%, 18.6%

HSV

2.4, 88.2%, 33.3%

CMYK

0.0%, 84.7%, 88.2%, 66.7%

OKLCH

0.2944 0.1041 28.1

Properties

Warm Dark Nearest: RAL 3009 Oxide Red

Color Harmonies

Complementary

#550D0A

#0A5255

Analogous

#550A2C

#55320A

#550D0A

Triadic

#550D0A

#0A550D

#0D0A55

Split Complementary

#550D0A

#0A5532

#0A2C55

Tetradic

#550D0A

#2C550A

#0A5255

#320A55

Color Blindness Simulation

Original

#550D0A

Protanopia

#36350B

Deuteranopia

#3A3F0B

Tritanopia

#510B0B

Achromatopsia

#1C1C1C

CSS Usage

background-color: #550D0A;
color: #550D0A;
border-color: #550D0A;
Nearest Tailwind: Red 950 #450A0A

Tailwind Shades

50
#FCF3F2
100
#F9E2E1
200
#F7C1BF
300
#F29592
400
#EB5C56
500
#E4231B
600
#B61C16
700
#921611
800
#72110D
900
#53110E
950
#340B09

Contrast Checker

Text on white

14.5:1

AA Pass AAA Pass

Text on black

1.45:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026