#303647

#303647

Color Values

HEX

#303647

RGB

48, 54, 71

HSL

224.3, 19.3%, 23.3%

HSV

224.3, 32.4%, 27.8%

CMYK

32.4%, 23.9%, 0.0%, 72.2%

OKLCH

0.3346 0.0312 269.5

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#303647

#474130

Analogous

#304147

#353047

#303647

Triadic

#303647

#473036

#364730

Split Complementary

#303647

#473530

#414730

Tetradic

#303647

#473041

#474130

#304735

Color Blindness Simulation

Original

#303647

Protanopia

#333343

Deuteranopia

#323242

Tritanopia

#30403F

Achromatopsia

#363636

CSS Usage

background-color: #303647;
color: #303647;
border-color: #303647;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D4D8E2
300
#B6BCCE
400
#8E98B3
500
#677498
600
#525D7A
700
#424A61
800
#333A4C
900
#282C39
950
#191C24

Contrast Checker

Text on white

12.04:1

AA Pass AAA Pass

Text on black

1.74:1

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