#28447F

#28447F

Color Values

HEX

#28447F

RGB

40, 68, 127

HSL

220.7, 52.1%, 32.7%

HSV

220.7, 68.5%, 49.8%

CMYK

68.5%, 46.5%, 0.0%, 50.2%

OKLCH

0.3975 0.1052 263.3

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#28447F

#7F6328

Analogous

#286F7F

#37287F

#28447F

Triadic

#28447F

#7F2844

#447F28

Split Complementary

#28447F

#7F3728

#6F7F28

Tetradic

#28447F

#7F286F

#7F6328

#287F37

Color Blindness Simulation

Original

#28447F

Protanopia

#343471

Deuteranopia

#32306D

Tritanopia

#296563

Achromatopsia

#424242

CSS Usage

background-color: #28447F;
color: #28447F;
border-color: #28447F;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F6FB
100
#E5EAF5
200
#C9D5EE
300
#A2B6E2
400
#6F8FD2
500
#3D68C2
600
#31539B
700
#27427C
800
#1F3461
900
#1A2847
950
#10192D

Contrast Checker

Text on white

9.44:1

AA Pass AAA Pass

Text on black

2.22:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026