#3F645B

#3F645B

Color Values

HEX

#3F645B

RGB

63, 100, 91

HSL

165.4, 22.7%, 32.0%

HSV

165.4, 37.0%, 39.2%

CMYK

37.0%, 0.0%, 9.0%, 60.8%

OKLCH

0.4724 0.045 177.2

Properties

Cool Dark Nearest: RAL 6028 Pine Green

Color Harmonies

Complementary

#3F645B

#643F48

Analogous

#3F6449

#3F5B64

#3F645B

Triadic

#3F645B

#5B3F64

#645B3F

Split Complementary

#3F645B

#643F5B

#64493F

Tetradic

#3F645B

#493F64

#643F48

#5B643F

Color Blindness Simulation

Original

#3F645B

Protanopia

#4F4F5D

Deuteranopia

#4D4A5E

Tritanopia

#415F5F

Achromatopsia

#5B5B5B

CSS Usage

background-color: #3F645B;
color: #3F645B;
border-color: #3F645B;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F6F9F8
100
#EAF1EF
200
#D3E3DF
300
#B4D0C9
400
#8BB6AC
500
#639C8E
600
#4F7D72
700
#3F645B
800
#314E47
900
#273A36
950
#182522

Contrast Checker

Text on white

6.59:1

AA Pass AAA Fail

Text on black

3.19:1

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