#3F7FD2

#3F7FD2

Color Values

HEX

#3F7FD2

RGB

63, 127, 210

HSL

213.9, 62.0%, 53.5%

HSV

213.9, 70.0%, 82.4%

CMYK

70.0%, 39.5%, 0.0%, 17.6%

OKLCH

0.595 0.1433 256.0

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#3F7FD2

#D2923F

Analogous

#3FC8D2

#483FD2

#3F7FD2

Triadic

#3F7FD2

#D23F7F

#7FD23F

Split Complementary

#3F7FD2

#D2483F

#C8D23F

Tetradic

#3F7FD2

#D23FC8

#D2923F

#3FD248

Color Blindness Simulation

Original

#3F7FD2

Protanopia

#5B5BBE

Deuteranopia

#5752B9

Tritanopia

#42AEAB

Achromatopsia

#777777

CSS Usage

background-color: #3F7FD2;
color: #3F7FD2;
border-color: #3F7FD2;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4ECF7
200
#C5D8F1
300
#9CBDE8
400
#6699DB
500
#3075CF
600
#275EA5
700
#1F4B84
800
#183B67
900
#152D4B
950
#0E1C30

Contrast Checker

Text on white

4.06:1

AA Fail AAA Fail

Text on black

5.18:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026