#28435B

#28435B

Color Values

HEX

#28435B

RGB

40, 67, 91

HSL

208.2, 38.9%, 25.7%

HSV

208.2, 56.0%, 35.7%

CMYK

56.0%, 26.4%, 0.0%, 64.3%

OKLCH

0.3725 0.053 246.6

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#28435B

#5B4028

Analogous

#285B59

#282A5B

#28435B

Triadic

#28435B

#5B2843

#435B28

Split Complementary

#28435B

#5B282A

#5B5928

Tetradic

#28435B

#59285B

#5B4028

#2A5B28

Color Blindness Simulation

Original

#28435B

Protanopia

#343455

Deuteranopia

#323054

Tritanopia

#295150

Achromatopsia

#3F3F3F

CSS Usage

background-color: #28435B;
color: #28435B;
border-color: #28435B;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CDDCE9
300
#AAC3DA
400
#7CA3C5
500
#4E82B1
600
#3E688E
700
#325471
800
#274159
900
#1F3141
950
#141F29

Contrast Checker

Text on white

10.27:1

AA Pass AAA Pass

Text on black

2.04:1

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