#2778CC

#2778CC

Color Values

HEX

#2778CC

RGB

39, 120, 204

HSL

210.5, 67.9%, 47.6%

HSV

210.5, 80.9%, 80.0%

CMYK

80.9%, 41.2%, 0.0%, 20.0%

OKLCH

0.568 0.1505 252.9

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#2778CC

#CC7B27

Analogous

#27CACC

#2827CC

#2778CC

Triadic

#2778CC

#CC2778

#78CC27

Split Complementary

#2778CC

#CC2827

#CACC27

Tetradic

#2778CC

#CC27CA

#CC7B27

#27CC28

Color Blindness Simulation

Original

#2778CC

Protanopia

#4A4BB8

Deuteranopia

#453FB3

Tritanopia

#2BA8A4

Achromatopsia

#6D6D6D

CSS Usage

background-color: #2778CC;
color: #2778CC;
border-color: #2778CC;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C3DBF4
300
#98C1EB
400
#61A0E1
500
#297ED6
600
#2165AB
700
#1A5189
800
#143F6B
900
#13304E
950
#0C1E31

Contrast Checker

Text on white

4.52:1

AA Pass AAA Fail

Text on black

4.64:1

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