#664D49

#664D49

Color Values

HEX

#664D49

RGB

102, 77, 73

HSL

8.3, 16.6%, 34.3%

HSV

8.3, 28.4%, 40.0%

CMYK

0.0%, 24.5%, 28.4%, 60.0%

OKLCH

0.4454 0.0347 28.9

Properties

Warm Dark Nearest: RAL 8028 Terra Brown

Color Harmonies

Complementary

#664D49

#496266

Analogous

#664953

#665B49

#664D49

Triadic

#664D49

#49664D

#4D4966

Split Complementary

#664D49

#49665B

#495366

Tetradic

#664D49

#536649

#496266

#5B4966

Color Blindness Simulation

Original

#664D49

Protanopia

#5B5B4A

Deuteranopia

#5D5E4A

Tritanopia

#654B4B

Achromatopsia

#525252

CSS Usage

background-color: #664D49;
color: #664D49;
border-color: #664D49;
Nearest Tailwind: Stone 600 #57534E

Tailwind Shades

50
#F8F7F6
100
#F0EBEB
200
#E1D7D5
300
#CCBAB8
400
#B09591
500
#95706A
600
#775A55
700
#5F4844
800
#4A3835
900
#382B29
950
#231B1A

Contrast Checker

Text on white

7.71:1

AA Pass AAA Pass

Text on black

2.72:1

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