#045AAF

#045AAF

Color Values

HEX

#045AAF

RGB

4, 90, 175

HSL

209.8, 95.5%, 35.1%

HSV

209.8, 97.7%, 68.6%

CMYK

97.7%, 48.6%, 0.0%, 31.4%

OKLCH

0.4739 0.1533 254.9

Properties

Cool Dark Nearest: NCS S 2065-B Pure Blue

Color Harmonies

Complementary

#045AAF

#AF5904

Analogous

#04AFAE

#0405AF

#045AAF

Triadic

#045AAF

#AF045A

#5AAF04

Split Complementary

#045AAF

#AF0405

#AFAE04

Tetradic

#045AAF

#AE04AF

#AF5904

#05AF04

Color Blindness Simulation

Original

#045AAF

Protanopia

#292A9A

Deuteranopia

#241E96

Tritanopia

#088A87

Achromatopsia

#4E4E4E

CSS Usage

background-color: #045AAF;
color: #045AAF;
border-color: #045AAF;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F1F7FE
100
#DFEDFC
200
#B9DCFD
300
#87C2FC
400
#47A1FB
500
#0680F9
600
#0567C7
700
#0452A0
800
#03407D
900
#07315A
950
#041F39

Contrast Checker

Text on white

6.8:1

AA Pass AAA Fail

Text on black

3.09:1

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