#3F72AC

#3F72AC

Color Values

HEX

#3F72AC

RGB

63, 114, 172

HSL

211,9, 46,4%, 46,1%

HSV

211,9, 63,4%, 67,5%

CMYK

63,4%, 33,7%, 0,0%, 32,5%

OKLCH

0,5435 0,1067 253,0

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F72AC

#AC793F

Analogous

#3FA9AC

#423FAC

#3F72AC

Triadic

#3F72AC

#AC3F72

#72AC3F

Split Complementary

#3F72AC

#AC423F

#A9AC3F

Tetradic

#3F72AC

#AC3FA9

#AC793F

#3FAC42

Color Blindness Simulation

Original

#3F72AC

Protanopia

#55569E

Deuteranopia

#524E9B

Tritanopia

#429390

Achromatopsia

#6B6B6B

CSS Usage

background-color: #3F72AC;
color: #3F72AC;
border-color: #3F72AC;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDAEC
300
#A5C0DE
400
#759ECC
500
#447CBB
600
#376395
700
#2C4F77
800
#223E5D
900
#1C2F45
950
#121E2B

Contrast Checker

Text on white

4,98:1

AA Pass AAA Fail

Text on black

4,21:1

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