#043289

#043289

Color Values

HEX

#043289

RGB

4, 50, 137

HSL

219,2, 94,3%, 27,6%

HSV

219,2, 97,1%, 53,7%

CMYK

97,1%, 63,5%, 0,0%, 46,3%

OKLCH

0,3536 0,1524 261,8

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#043289

#895B04

Analogous

#047489

#180489

#043289

Triadic

#043289

#890432

#328904

Split Complementary

#043289

#891804

#748904

Tetradic

#043289

#890474

#895B04

#048918

Color Blindness Simulation

Original

#043289

Protanopia

#181874

Deuteranopia

#15126F

Tritanopia

#066360

Achromatopsia

#2F2F2F

CSS Usage

background-color: #043289;
color: #043289;
border-color: #043289;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F5FD
100
#DFE9FB
200
#BAD1FD
300
#88B0FC
400
#4885FA
500
#075BF8
600
#0649C6
700
#053A9F
800
#042D7C
900
#07245A
950
#051739

Contrast Checker

Text on white

11,52:1

AA Pass AAA Pass

Text on black

1,82:1

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