#303549

#303549

Color Values

HEX

#303549

RGB

48, 53, 73

HSL

228.0, 20.7%, 23.7%

HSV

228.0, 34.2%, 28.6%

CMYK

34.2%, 27.4%, 0.0%, 71.4%

OKLCH

0.3331 0.0361 273.4

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#303549

#494430

Analogous

#304149

#373049

#303549

Triadic

#303549

#493035

#354930

Split Complementary

#303549

#493730

#414930

Tetradic

#303549

#493041

#494430

#304937

Color Blindness Simulation

Original

#303549

Protanopia

#323244

Deuteranopia

#323143

Tritanopia

#304040

Achromatopsia

#353535

CSS Usage

background-color: #303549;
color: #303549;
border-color: #303549;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#EAEBF0
200
#D4D7E3
300
#B5BACE
400
#8D95B4
500
#65709A
600
#51597B
700
#414762
800
#33384D
900
#272B39
950
#191B24

Contrast Checker

Text on white

12.13:1

AA Pass AAA Pass

Text on black

1.73:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026