#28455A

#28455A

Color Values

HEX

#28455A

RGB

40, 69, 90

HSL

205.2, 38.5%, 25.5%

HSV

205.2, 55.6%, 35.3%

CMYK

55.6%, 23.3%, 0.0%, 64.7%

OKLCH

0.3772 0.0503 241.3

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#28455A

#5A3D28

Analogous

#285A56

#282C5A

#28455A

Triadic

#28455A

#5A2845

#455A28

Split Complementary

#28455A

#5A282C

#5A5628

Tetradic

#28455A

#56285A

#5A3D28

#2C5A28

Color Blindness Simulation

Original

#28455A

Protanopia

#353555

Deuteranopia

#333154

Tritanopia

#295150

Achromatopsia

#404040

CSS Usage

background-color: #28455A;
color: #28455A;
border-color: #28455A;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CEDDE9
300
#AAC6D9
400
#7CA6C5
500
#4E87B1
600
#3F6C8D
700
#325771
800
#274458
900
#203341
950
#142029

Contrast Checker

Text on white

10.05:1

AA Pass AAA Pass

Text on black

2.09:1

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