#30403F

#30403F

Color Values

HEX

#30403F

RGB

48, 64, 63

HSL

176.2, 14.3%, 22.0%

HSV

176.2, 25.0%, 25.1%

CMYK

25.0%, 0.0%, 1.6%, 74.9%

OKLCH

0.3572 0.0207 191.5

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#30403F

#403031

Analogous

#304037

#303940

#30403F

Triadic

#30403F

#3F3040

#403F30

Split Complementary

#30403F

#403039

#403730

Tetradic

#30403F

#373040

#403031

#394030

Color Blindness Simulation

Original

#30403F

Protanopia

#37373F

Deuteranopia

#36353F

Tritanopia

#313F3F

Achromatopsia

#3D3D3D

CSS Usage

background-color: #30403F;
color: #30403F;
border-color: #30403F;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F6F8F8
100
#EBEFEF
200
#D6E0E0
300
#B9CBC9
400
#93AEAC
500
#6D928F
600
#577573
700
#465D5C
800
#374948
900
#2A3736
950
#1B2322

Contrast Checker

Text on white

10.88:1

AA Pass AAA Pass

Text on black

1.93:1

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