#303149

#303149

Color Values

HEX

#303149

RGB

48, 49, 73

HSL

237.6, 20.7%, 23.7%

HSV

237.6, 34.2%, 28.6%

CMYK

34.2%, 32.9%, 0.0%, 71.4%

OKLCH

0.3233 0.0425 281.9

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#303149

#494830

Analogous

#303D49

#3B3049

#303149

Triadic

#303149

#493031

#314930

Split Complementary

#303149

#493B30

#3D4930

Tetradic

#303149

#49303D

#494830

#30493B

Color Blindness Simulation

Original

#303149

Protanopia

#303043

Deuteranopia

#303042

Tritanopia

#303F3E

Achromatopsia

#333333

CSS Usage

background-color: #303149;
color: #303149;
border-color: #303149;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D4D5E3
300
#B5B6CE
400
#8D8FB4
500
#65679A
600
#51537B
700
#414262
800
#33344D
900
#272839
950
#191924

Contrast Checker

Text on white

12.64:1

AA Pass AAA Pass

Text on black

1.66:1

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