#303F3D

#303F3D

Color Values

HEX

#303F3D

RGB

48, 63, 61

HSL

172.0, 13.5%, 21.8%

HSV

172.0, 23.8%, 24.7%

CMYK

23.8%, 0.0%, 3.2%, 75.3%

OKLCH

0.3538 0.0198 186.3

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#303F3D

#3F3032

Analogous

#303F36

#303A3F

#303F3D

Triadic

#303F3D

#3D303F

#3F3D30

Split Complementary

#303F3D

#3F303A

#3F3630

Tetradic

#303F3D

#36303F

#3F3032

#3A3F30

Color Blindness Simulation

Original

#303F3D

Protanopia

#36373D

Deuteranopia

#36343E

Tritanopia

#313E3E

Achromatopsia

#3C3C3C

CSS Usage

background-color: #303F3D;
color: #303F3D;
border-color: #303F3D;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F6F8F8
100
#EBEFEF
200
#D6E0DF
300
#BACAC8
400
#94ADAA
500
#6E918C
600
#587470
700
#475D5A
800
#374846
900
#2B3635
950
#1B2221

Contrast Checker

Text on white

11.03:1

AA Pass AAA Pass

Text on black

1.9:1

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