#3F6897

#3F6897

Color Values

HEX

#3F6897

RGB

63, 104, 151

HSL

212.0, 41.1%, 42.0%

HSV

212.0, 58.3%, 59.2%

CMYK

58.3%, 31.1%, 0.0%, 40.8%

OKLCH

0.5086 0.0884 252.9

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#3F6897

#976E3F

Analogous

#3F9497

#423F97

#3F6897

Triadic

#3F6897

#973F68

#68973F

Split Complementary

#3F6897

#97423F

#94973F

Tetradic

#3F6897

#973F94

#976E3F

#3F9742

Color Blindness Simulation

Original

#3F6897

Protanopia

#51518C

Deuteranopia

#4E4B89

Tritanopia

#418381

Achromatopsia

#636363

CSS Usage

background-color: #3F6897;
color: #3F6897;
border-color: #3F6897;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CDDAEA
300
#A9C0DB
400
#7A9EC7
500
#4B7CB4
600
#3C6390
700
#304F73
800
#263E5A
900
#1F2F42
950
#131E2A

Contrast Checker

Text on white

5.77:1

AA Pass AAA Fail

Text on black

3.64:1

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