#345D79

#345D79

Color Values

HEX

#345D79

RGB

52, 93, 121

HSL

204.3, 39.9%, 33.9%

HSV

204.3, 57.0%, 47.5%

CMYK

57.0%, 23.1%, 0.0%, 52.5%

OKLCH

0.4607 0.065 240.1

Properties

Cool Dark Nearest: steelblue 4

Color Harmonies

Complementary

#345D79

#795034

Analogous

#347972

#343B79

#345D79

Triadic

#345D79

#79345D

#5D7934

Split Complementary

#345D79

#79343B

#797234

Tetradic

#345D79

#723479

#795034

#3B7934

Color Blindness Simulation

Original

#345D79

Protanopia

#464672

Deuteranopia

#434071

Tritanopia

#366D6C

Achromatopsia

#565656

CSS Usage

background-color: #345D79;
color: #345D79;
border-color: #345D79;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CDDEEA
300
#A9C6DA
400
#7BA8C6
500
#4D89B2
600
#3D6E8F
700
#315872
800
#264559
900
#1F3442
950
#14212A

Contrast Checker

Text on white

7.03:1

AA Pass AAA Pass

Text on black

2.99:1

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