#663C31

#663C31

Color Values

HEX

#663C31

RGB

102, 60, 49

HSL

12.5, 35.1%, 29.6%

HSV

12.5, 52.0%, 40.0%

CMYK

0.0%, 41.2%, 52.0%, 60.0%

OKLCH

0.4039 0.0625 35.5

Properties

Warm Dark Nearest: RAL 8015 Chestnut Brown

Color Harmonies

Complementary

#663C31

#315B66

Analogous

#663140

#665731

#663C31

Triadic

#663C31

#31663C

#3C3166

Split Complementary

#663C31

#316657

#314066

Tetradic

#663C31

#406631

#315B66

#573166

Color Blindness Simulation

Original

#663C31

Protanopia

#545334

Deuteranopia

#565934

Tritanopia

#643636

Achromatopsia

#444444

CSS Usage

background-color: #663C31;
color: #663C31;
border-color: #663C31;
Nearest Tailwind: Yellow 950 #422006

Tailwind Shades

50
#FAF6F5
100
#F2EAE8
200
#E8D4CF
300
#D7B5AC
400
#C28D80
500
#AC6553
600
#8A5142
700
#6E4135
800
#563329
900
#402821
950
#281915

Contrast Checker

Text on white

9.31:1

AA Pass AAA Pass

Text on black

2.26:1

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