#3F537E

#3F537E

Color Values

HEX

#3F537E

RGB

63, 83, 126

HSL

221.0, 33.3%, 37.1%

HSV

221.0, 50.0%, 49.4%

CMYK

50.0%, 34.1%, 0.0%, 50.6%

OKLCH

0.4456 0.0753 264.5

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F537E

#7E6A3F

Analogous

#3F737E

#4B3F7E

#3F537E

Triadic

#3F537E

#7E3F53

#537E3F

Split Complementary

#3F537E

#7E4B3F

#737E3F

Tetradic

#3F537E

#7E3F73

#7E6A3F

#3F7E4B

Color Blindness Simulation

Original

#3F537E

Protanopia

#484874

Deuteranopia

#464571

Tritanopia

#406B6A

Achromatopsia

#525252

CSS Usage

background-color: #3F537E;
color: #3F537E;
border-color: #3F537E;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F7FA
100
#E8EBF2
200
#CFD7E7
300
#ADBAD6
400
#8195C0
500
#5570AA
600
#445A88
700
#36486D
800
#2B3855
900
#222B3F
950
#151B28

Contrast Checker

Text on white

7.64:1

AA Pass AAA Pass

Text on black

2.75:1

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