#3F6586

#3F6586

Color Values

HEX

#3F6586

RGB

63, 101, 134

HSL

207.9, 36.0%, 38.6%

HSV

207.9, 53.0%, 52.5%

CMYK

53.0%, 24.6%, 0.0%, 47.5%

OKLCH

0.4927 0.0686 246.0

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#3F6586

#86603F

Analogous

#3F8683

#3F4186

#3F6586

Triadic

#3F6586

#863F65

#65863F

Split Complementary

#3F6586

#863F41

#86833F

Tetradic

#3F6586

#833F86

#86603F

#41863F

Color Blindness Simulation

Original

#3F6586

Protanopia

#4F507E

Deuteranopia

#4D4A7C

Tritanopia

#417876

Achromatopsia

#5F5F5F

CSS Usage

background-color: #3F6586;
color: #3F6586;
border-color: #3F6586;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F8FA
100
#E8EEF3
200
#CEDCE8
300
#ACC3D8
400
#7FA3C3
500
#5283AD
600
#41698B
700
#34546F
800
#294157
900
#213240
950
#151F29

Contrast Checker

Text on white

6.15:1

AA Pass AAA Fail

Text on black

3.42:1

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