#3A4657

#3A4657

Color Values

HEX

#3A4657

RGB

58, 70, 87

HSL

215.2, 20.0%, 28.4%

HSV

215.2, 33.3%, 34.1%

CMYK

33.3%, 19.5%, 0.0%, 65.9%

OKLCH

0.3906 0.033 257.1

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3A4657

#574B3A

Analogous

#3A5457

#3C3A57

#3A4657

Triadic

#3A4657

#573A46

#46573A

Split Complementary

#3A4657

#573C3A

#54573A

Tetradic

#3A4657

#573A54

#574B3A

#3A573C

Color Blindness Simulation

Original

#3A4657

Protanopia

#3F3F53

Deuteranopia

#3E3E52

Tritanopia

#3B504F

Achromatopsia

#454545

CSS Usage

background-color: #3A4657;
color: #3A4657;
border-color: #3A4657;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DAE2
300
#B6C0CE
400
#8E9DB4
500
#667B99
600
#52627A
700
#414F62
800
#333E4D
900
#282F39
950
#191E24

Contrast Checker

Text on white

9.57:1

AA Pass AAA Pass

Text on black

2.19:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026