#304D79

#304D79

Color Values

HEX

#304D79

RGB

48, 77, 121

HSL

216.2, 43.2%, 33.1%

HSV

216.2, 60.3%, 47.5%

CMYK

60.3%, 36.4%, 0.0%, 52.5%

OKLCH

0.4192 0.0818 258.5

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#304D79

#795C30

Analogous

#307179

#373079

#304D79

Triadic

#304D79

#79304D

#4D7930

Split Complementary

#304D79

#793730

#717930

Tetradic

#304D79

#793071

#795C30

#307937

Color Blindness Simulation

Original

#304D79

Protanopia

#3D3D6E

Deuteranopia

#3B396C

Tritanopia

#316664

Achromatopsia

#4A4A4A

CSS Usage

background-color: #304D79;
color: #304D79;
border-color: #304D79;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7FA
100
#E7ECF4
200
#CCD8EB
300
#A7BCDC
400
#7898C9
500
#4874B7
600
#3A5D92
700
#2E4A75
800
#243A5B
900
#1E2D43
950
#131C2A

Contrast Checker

Text on white

8.53:1

AA Pass AAA Pass

Text on black

2.46:1

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