#28434F

#28434F

Color Values

HEX

#28434F

RGB

40, 67, 79

HSL

198.5, 32.8%, 23.3%

HSV

198.5, 49.4%, 31.0%

CMYK

49.4%, 15.2%, 0.0%, 69.0%

OKLCH

0.3665 0.0388 228.0

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#28434F

#4F3428

Analogous

#284F47

#282F4F

#28434F

Triadic

#28434F

#4F2843

#434F28

Split Complementary

#28434F

#4F282F

#4F4728

Tetradic

#28434F

#47284F

#4F3428

#2F4F28

Color Blindness Simulation

Original

#28434F

Protanopia

#34344C

Deuteranopia

#32304B

Tritanopia

#294A49

Achromatopsia

#3E3E3E

CSS Usage

background-color: #28434F;
color: #28434F;
border-color: #28434F;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F5F8F9
100
#E8EFF2
200
#D0E0E7
300
#AEC9D6
400
#82ADC0
500
#5690A9
600
#457387
700
#375C6C
800
#2B4855
900
#22363F
950
#162228

Contrast Checker

Text on white

10.47:1

AA Pass AAA Pass

Text on black

2.01:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026