#28384B

#28384B

Color Values

HEX

#28384B

RGB

40, 56, 75

HSL

212.6, 30.4%, 22.5%

HSV

212.6, 46.7%, 29.4%

CMYK

46.7%, 25.3%, 0.0%, 70.6%

OKLCH

0.3354 0.0398 253.2

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#28384B

#4B3B28

Analogous

#28494B

#29284B

#28384B

Triadic

#28384B

#4B2838

#384B28

Split Complementary

#28384B

#4B2928

#494B28

Tetradic

#28384B

#4B2849

#4B3B28

#284B29

Color Blindness Simulation

Original

#28384B

Protanopia

#2F2F46

Deuteranopia

#2E2D45

Tritanopia

#294342

Achromatopsia

#363636

CSS Usage

background-color: #28384B;
color: #28384B;
border-color: #28384B;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7F9
100
#E9EDF2
200
#D0DAE6
300
#AFC0D4
400
#849EBD
500
#597CA6
600
#476385
700
#394F6A
800
#2C3E53
900
#232F3E
950
#161E27

Contrast Checker

Text on white

11.95:1

AA Pass AAA Pass

Text on black

1.76:1

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