#333047

#333047

Color Values

HEX

#333047

RGB

51, 48, 71

HSL

247.8, 19.3%, 23.3%

HSV

247.8, 32.4%, 27.8%

CMYK

28.2%, 32.4%, 0.0%, 72.2%

OKLCH

0.3227 0.0406 289.9

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#333047

#444730

Analogous

#303847

#3E3047

#333047

Triadic

#333047

#473330

#304733

Split Complementary

#333047

#473E30

#384730

Tetradic

#333047

#473038

#444730

#30473E

Color Blindness Simulation

Original

#333047

Protanopia

#323241

Deuteranopia

#323240

Tritanopia

#333D3C

Achromatopsia

#323232

CSS Usage

background-color: #333047;
color: #333047;
border-color: #333047;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#EBEAF0
200
#D6D4E2
300
#B9B6CE
400
#938EB3
500
#6D6798
600
#57527A
700
#464261
800
#37334C
900
#2A2839
950
#1B1924

Contrast Checker

Text on white

12.69:1

AA Pass AAA Pass

Text on black

1.65:1

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