#043481

#043481

Color Values

HEX

#043481

RGB

4, 52, 129

HSL

217.0, 94.0%, 26.1%

HSV

217.0, 96.9%, 50.6%

CMYK

96.9%, 59.7%, 0.0%, 49.4%

OKLCH

0.3502 0.1388 260.3

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#043481

#815104

Analogous

#047381

#130481

#043481

Triadic

#043481

#810434

#348104

Split Complementary

#043481

#811304

#738104

Tetradic

#043481

#810473

#815104

#048113

Color Blindness Simulation

Original

#043481

Protanopia

#19196E

Deuteranopia

#16126A

Tritanopia

#06605C

Achromatopsia

#2F2F2F

CSS Usage

background-color: #043481;
color: #043481;
border-color: #043481;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F6FD
100
#DFEAFB
200
#BAD3FD
300
#88B4FB
400
#488CF9
500
#0864F7
600
#0650C6
700
#05409E
800
#04327C
900
#072759
950
#051938

Contrast Checker

Text on white

11.58:1

AA Pass AAA Pass

Text on black

1.81:1

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