#04519C

#04519C

Color Values

HEX

#04519C

RGB

4, 81, 156

HSL

209.6, 95.0%, 31.4%

HSV

209.6, 97.4%, 61.2%

CMYK

97.4%, 48.1%, 0.0%, 38.8%

OKLCH

0.4389 0.139 254.4

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#04519C

#9C4F04

Analogous

#049C9B

#04059C

#04519C

Triadic

#04519C

#9C0451

#519C04

Split Complementary

#04519C

#9C0405

#9C9B04

Tetradic

#04519C

#9B049C

#9C4F04

#059C04

Color Blindness Simulation

Original

#04519C

Protanopia

#25268A

Deuteranopia

#211B86

Tritanopia

#087C78

Achromatopsia

#464646

CSS Usage

background-color: #04519C;
color: #04519C;
border-color: #04519C;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F7FE
100
#DFEDFC
200
#B9DCFD
300
#88C3FC
400
#47A2FA
500
#0681F9
600
#0567C7
700
#04539F
800
#03417C
900
#07315A
950
#041F39

Contrast Checker

Text on white

7.89:1

AA Pass AAA Pass

Text on black

2.66:1

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