#3F645D

#3F645D

Color Values

HEX

#3F645D

RGB

63, 100, 93

HSL

168.6, 22.7%, 32.0%

HSV

168.6, 37.0%, 39.2%

CMYK

37.0%, 0.0%, 7.0%, 60.8%

OKLCH

0.473 0.044 181.1

Properties

Cool Dark Nearest: RAL 6028 Pine Green

Color Harmonies

Complementary

#3F645D

#643F46

Analogous

#3F644B

#3F5964

#3F645D

Triadic

#3F645D

#5D3F64

#645D3F

Split Complementary

#3F645D

#643F59

#644B3F

Tetradic

#3F645D

#4B3F64

#643F46

#59643F

Color Blindness Simulation

Original

#3F645D

Protanopia

#4F4F5F

Deuteranopia

#4D4A5F

Tritanopia

#416060

Achromatopsia

#5C5C5C

CSS Usage

background-color: #3F645D;
color: #3F645D;
border-color: #3F645D;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F6F9F8
100
#EAF1EF
200
#D3E3E0
300
#B4D0CA
400
#8BB6AE
500
#639C91
600
#4F7D74
700
#3F645D
800
#314E49
900
#273A37
950
#182522

Contrast Checker

Text on white

6.58:1

AA Pass AAA Fail

Text on black

3.19:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026