#3F7AC4

#3F7AC4

Color Values

HEX

#3F7AC4

RGB

63, 122, 196

HSL

213.4, 53.0%, 50.8%

HSV

213.4, 67.9%, 76.9%

CMYK

67.9%, 37.8%, 0.0%, 23.1%

OKLCH

0.5755 0.1302 255.2

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#3F7AC4

#C4893F

Analogous

#3FBCC4

#473FC4

#3F7AC4

Triadic

#3F7AC4

#C43F7A

#7AC43F

Split Complementary

#3F7AC4

#C4473F

#BCC43F

Tetradic

#3F7AC4

#C43FBC

#C4893F

#3FC447

Color Blindness Simulation

Original

#3F7AC4

Protanopia

#5959B2

Deuteranopia

#5551AE

Tritanopia

#42A4A1

Achromatopsia

#737373

CSS Usage

background-color: #3F7AC4;
color: #3F7AC4;
border-color: #3F7AC4;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C8D9EE
300
#A1BEE2
400
#6F9BD3
500
#3C78C3
600
#30609C
700
#264D7D
800
#1E3C62
900
#192E48
950
#101D2D

Contrast Checker

Text on white

4.38:1

AA Fail AAA Fail

Text on black

4.79:1

AA Pass 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