#3F71AA

#3F71AA

Color Values

HEX

#3F71AA

RGB

63, 113, 170

HSL

212.0, 45.9%, 45.7%

HSV

212.0, 62.9%, 66.7%

CMYK

62.9%, 33.5%, 0.0%, 33.3%

OKLCH

0.5401 0.105 253.0

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F71AA

#AA783F

Analogous

#3FA6AA

#433FAA

#3F71AA

Triadic

#3F71AA

#AA3F71

#71AA3F

Split Complementary

#3F71AA

#AA433F

#A6AA3F

Tetradic

#3F71AA

#AA3FA6

#AA783F

#3FAA43

Color Blindness Simulation

Original

#3F71AA

Protanopia

#55559C

Deuteranopia

#524E99

Tritanopia

#42918F

Achromatopsia

#6A6A6A

CSS Usage

background-color: #3F71AA;
color: #3F71AA;
border-color: #3F71AA;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDAEC
300
#A6C0DE
400
#759ECC
500
#457CBA
600
#376395
700
#2C4F77
800
#223E5D
900
#1C2F44
950
#121E2B

Contrast Checker

Text on white

5.06:1

AA Pass AAA Fail

Text on black

4.15:1

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