#2579CB

#2579CB

Color Values

HEX

#2579CB

RGB

37, 121, 203

HSL

209,6, 69,2%, 47,1%

HSV

209,6, 81,8%, 79,6%

CMYK

81,8%, 40,4%, 0,0%, 20,4%

OKLCH

0,5692 0,1487 251,9

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#2579CB

#CB7725

Analogous

#25CBCA

#2526CB

#2579CB

Triadic

#2579CB

#CB2579

#79CB25

Split Complementary

#2579CB

#CB2526

#CBCA25

Tetradic

#2579CB

#CA25CB

#CB7725

#26CB25

Color Blindness Simulation

Original

#2579CB

Protanopia

#494AB7

Deuteranopia

#443EB2

Tritanopia

#29A7A4

Achromatopsia

#6D6D6D

CSS Usage

background-color: #2579CB;
color: #2579CB;
border-color: #2579CB;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FC
100
#E3EDF8
200
#C3DCF4
300
#97C2EC
400
#5FA2E2
500
#2781D8
600
#1F67AD
700
#19528A
800
#14406C
900
#12314F
950
#0C1F32

Contrast Checker

Text on white

4,49:1

AA Fail AAA Fail

Text on black

4,68:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026