#3F4739

#3F4739

Color Values

HEX

#3F4739

RGB

63, 71, 57

HSL

94.3, 10.9%, 25.1%

HSV

94.3, 19.7%, 27.8%

CMYK

11.3%, 0.0%, 19.7%, 72.2%

OKLCH

0.3861 0.0254 131.9

Properties

Cool Dark Nearest: RAL 6003 Olive Green

Color Harmonies

Complementary

#3F4739

#413947

Analogous

#464739

#39473A

#3F4739

Triadic

#3F4739

#393F47

#47393F

Split Complementary

#3F4739

#3A3947

#473946

Tetradic

#3F4739

#394647

#413947

#473A39

Color Blindness Simulation

Original

#3F4739

Protanopia

#42433C

Deuteranopia

#42413D

Tritanopia

#3F3F40

Achromatopsia

#444444

CSS Usage

background-color: #3F4739;
color: #3F4739;
border-color: #3F4739;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F7F8F7
100
#EDEFEB
200
#DBDFD7
300
#C1C8BB
400
#9FAB96
500
#7E8D72
600
#64715B
700
#505A49
800
#3F4739
900
#30352C
950
#1E221C

Contrast Checker

Text on white

9.67:1

AA Pass AAA Pass

Text on black

2.17:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026