#3F6891

#3F6891

Color Values

HEX

#3F6891

RGB

63, 104, 145

HSL

210.0, 39.4%, 40.8%

HSV

210.0, 56.6%, 56.9%

CMYK

56.6%, 28.3%, 0.0%, 43.1%

OKLCH

0.5055 0.0804 249.7

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#3F6891

#91683F

Analogous

#3F9191

#3F3F91

#3F6891

Triadic

#3F6891

#913F68

#68913F

Split Complementary

#3F6891

#913F3F

#91913F

Tetradic

#3F6891

#913F91

#91683F

#3F913F

Color Blindness Simulation

Original

#3F6891

Protanopia

#515187

Deuteranopia

#4E4B85

Tritanopia

#417F7E

Achromatopsia

#626262

CSS Usage

background-color: #3F6891;
color: #3F6891;
border-color: #3F6891;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CDDBE9
300
#AAC2DA
400
#7BA1C6
500
#4D80B2
600
#3E668E
700
#315272
800
#274059
900
#1F3042
950
#141F29

Contrast Checker

Text on white

5.83:1

AA Pass AAA Fail

Text on black

3.6:1

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