#3F5F86

#3F5F86

Color Values

HEX

#3F5F86

RGB

63, 95, 134

HSL

213.0, 36.0%, 38.6%

HSV

213.0, 53.0%, 52.5%

CMYK

53.0%, 29.1%, 0.0%, 47.5%

OKLCH

0.4783 0.0738 254.0

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#3F5F86

#86663F

Analogous

#3F8286

#433F86

#3F5F86

Triadic

#3F5F86

#863F5F

#5F863F

Split Complementary

#3F5F86

#86433F

#82863F

Tetradic

#3F5F86

#863F82

#86663F

#3F8643

Color Blindness Simulation

Original

#3F5F86

Protanopia

#4D4D7D

Deuteranopia

#4B497A

Tritanopia

#417573

Achromatopsia

#5B5B5B

CSS Usage

background-color: #3F5F86;
color: #3F5F86;
border-color: #3F5F86;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F7FA
100
#E8EDF3
200
#CEDAE8
300
#ACC0D8
400
#7F9DC3
500
#527BAD
600
#41628B
700
#344F6F
800
#293D57
900
#212F40
950
#151E29

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