#28405C

#28405C

Color Values

HEX

#28405C

RGB

40, 64, 92

HSL

212.3, 39.4%, 25.9%

HSV

212.3, 56.5%, 36.1%

CMYK

56.5%, 30.4%, 0.0%, 63.9%

OKLCH

0.3653 0.0572 253.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#28405C

#5C4428

Analogous

#285A5C

#2A285C

#28405C

Triadic

#28405C

#5C2840

#405C28

Split Complementary

#28405C

#5C2A28

#5A5C28

Tetradic

#28405C

#5C285A

#5C4428

#285C2A

Color Blindness Simulation

Original

#28405C

Protanopia

#323355

Deuteranopia

#312F54

Tritanopia

#29504F

Achromatopsia

#3D3D3D

CSS Usage

background-color: #28405C;
color: #28405C;
border-color: #28405C;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CDDAE9
300
#AAC0DA
400
#7B9EC6
500
#4D7CB2
600
#3E638E
700
#314F72
800
#273E59
900
#1F2F42
950
#141E29

Contrast Checker

Text on white

10.62:1

AA Pass AAA Pass

Text on black

1.98:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026