#28556B

#28556B

Color Values

HEX

#28556B

RGB

40, 85, 107

HSL

199.7, 45.6%, 28.8%

HSV

199.7, 62.6%, 42.0%

CMYK

62.6%, 20.6%, 0.0%, 58.0%

OKLCH

0.4276 0.0614 231.9

Properties

Cool Dark Nearest: RAL 5009 Azure Blue

Color Harmonies

Complementary

#28556B

#6B3E28

Analogous

#286B5F

#28336B

#28556B

Triadic

#28556B

#6B2855

#556B28

Split Complementary

#28556B

#6B2833

#6B5F28

Tetradic

#28556B

#5F286B

#6B3E28

#336B28

Color Blindness Simulation

Original

#28556B

Protanopia

#3B3C66

Deuteranopia

#393664

Tritanopia

#2A6161

Achromatopsia

#4D4D4D

CSS Usage

background-color: #28556B;
color: #28556B;
border-color: #28556B;
Nearest Tailwind: Cyan 900 #164E63

Tailwind Shades

50
#F4F8FA
100
#E6F0F4
200
#CBE1EC
300
#A6CBDE
400
#76AFCC
500
#4593BA
600
#377695
700
#2C5E77
800
#234A5D
900
#1D3744
950
#12232B

Contrast Checker

Text on white

8.07:1

AA Pass AAA Pass

Text on black

2.6:1

AA Fail 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