#04478B

#04478B

Color Values

HEX

#04478B

RGB

4, 71, 139

HSL

210.2, 94.4%, 28.0%

HSV

210.2, 97.1%, 54.5%

CMYK

97.1%, 48.9%, 0.0%, 45.5%

OKLCH

0.4024 0.1282 254.8

Properties

Cool Dark Nearest: dodgerblue 4

Color Harmonies

Complementary

#04478B

#8B4804

Analogous

#048A8B

#04048B

#04478B

Triadic

#04478B

#8B0447

#478B04

Split Complementary

#04478B

#8B0404

#8A8B04

Tetradic

#04478B

#8B048A

#8B4804

#048B04

Color Blindness Simulation

Original

#04478B

Protanopia

#21227B

Deuteranopia

#1D1877

Tritanopia

#076E6B

Achromatopsia

#3E3E3E

CSS Usage

background-color: #04478B;
color: #04478B;
border-color: #04478B;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F7FD
100
#DFEDFB
200
#BADBFD
300
#88C1FC
400
#48A0FA
500
#077FF8
600
#0665C6
700
#05519F
800
#043F7C
900
#07305A
950
#051E39

Contrast Checker

Text on white

9.21:1

AA Pass AAA Pass

Text on black

2.28:1

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