#2879CF

#2879CF

Color Values

HEX

#2879CF

RGB

40, 121, 207

HSL

210,9, 67,6%, 48,4%

HSV

210,9, 80,7%, 81,2%

CMYK

80,7%, 41,5%, 0,0%, 18,8%

OKLCH

0,5724 0,153 253,3

Properties

Cool Light Nearest: dodgerblue 3

Color Harmonies

Complementary

#2879CF

#CF7E28

Analogous

#28CCCF

#2A28CF

#2879CF

Triadic

#2879CF

#CF2879

#79CF28

Split Complementary

#2879CF

#CF2A28

#CCCF28

Tetradic

#2879CF

#CF28CC

#CF7E28

#28CF2A

Color Blindness Simulation

Original

#2879CF

Protanopia

#4B4CBA

Deuteranopia

#4640B5

Tritanopia

#2CAAA6

Achromatopsia

#6E6E6E

CSS Usage

background-color: #2879CF;
color: #2879CF;
border-color: #2879CF;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C3DBF3
300
#98C1EB
400
#619FE0
500
#297DD6
600
#2164AB
700
#1A5089
800
#153E6B
900
#13304E
950
#0C1E31

Contrast Checker

Text on white

4,44:1

AA Fail AAA Fail

Text on black

4,73:1

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