#043580

#043580

Color Values

HEX

#043580

RGB

4, 53, 128

HSL

216.3, 93.9%, 25.9%

HSV

216.3, 96.9%, 50.2%

CMYK

96.9%, 58.6%, 0.0%, 49.8%

OKLCH

0.3515 0.1361 259.9

Properties

Cool Dark Nearest: NCS S 3060-B Dark Blue

Color Harmonies

Complementary

#043580

#804F04

Analogous

#047380

#110480

#043580

Triadic

#043580

#800435

#358004

Split Complementary

#043580

#801104

#738004

Tetradic

#043580

#800473

#804F04

#048011

Color Blindness Simulation

Original

#043580

Protanopia

#191A6E

Deuteranopia

#16136A

Tritanopia

#06605C

Achromatopsia

#303030

CSS Usage

background-color: #043580;
color: #043580;
border-color: #043580;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F6FD
100
#DFEAFB
200
#BAD4FD
300
#88B6FB
400
#488EF9
500
#0866F7
600
#0652C6
700
#05429E
800
#04337C
900
#082859
950
#051938

Contrast Checker

Text on white

11.5:1

AA Pass AAA Pass

Text on black

1.83:1

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