#663C1B

#663C1B

Color Values

HEX

#663C1B

RGB

102, 60, 27

HSL

26.4, 58.1%, 25.3%

HSV

26.4, 73.5%, 40.0%

CMYK

0.0%, 41.2%, 73.5%, 60.0%

OKLCH

0.4001 0.0753 56.4

Properties

Warm Dark Nearest: RAL 8003 Clay Brown

Color Harmonies

Complementary

#663C1B

#1B4566

Analogous

#661B20

#66621B

#663C1B

Triadic

#663C1B

#1B663C

#3C1B66

Split Complementary

#663C1B

#1B6662

#1B2066

Tetradic

#663C1B

#20661B

#1B4566

#621B66

Color Blindness Simulation

Original

#663C1B

Protanopia

#545323

Deuteranopia

#565925

Tritanopia

#64292B

Achromatopsia

#434343

CSS Usage

background-color: #663C1B;
color: #663C1B;
border-color: #663C1B;
Nearest Tailwind: Yellow 900 #713F12

Tailwind Shades

50
#FBF7F4
100
#F6ECE4
200
#F0D9C7
300
#E5BE9E
400
#D79A6A
500
#CA7735
600
#A15F2B
700
#814C22
800
#653B1B
900
#4A2D17
950
#2F1D0F

Contrast Checker

Text on white

9.43:1

AA Pass AAA Pass

Text on black

2.23:1

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