#303C3F

#303C3F

Color Values

HEX

#303C3F

RGB

48, 60, 63

HSL

192.0, 13.5%, 21.8%

HSV

192.0, 23.8%, 24.7%

CMYK

23.8%, 4.8%, 0.0%, 75.3%

OKLCH

0.3465 0.0167 214.6

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#303C3F

#3F3330

Analogous

#303F3B

#30353F

#303C3F

Triadic

#303C3F

#3F303C

#3C3F30

Split Complementary

#303C3F

#3F3035

#3F3B30

Tetradic

#303C3F

#3B303F

#3F3330

#353F30

Color Blindness Simulation

Original

#303C3F

Protanopia

#35353E

Deuteranopia

#34343E

Tritanopia

#313E3E

Achromatopsia

#3A3A3A

CSS Usage

background-color: #303C3F;
color: #303C3F;
border-color: #303C3F;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F6F8F8
100
#EBEEEF
200
#D6DEE0
300
#BAC7CA
400
#94A8AD
500
#6E8A91
600
#586E74
700
#47585D
800
#374548
900
#2B3436
950
#1B2122

Contrast Checker

Text on white

11.39:1

AA Pass AAA Pass

Text on black

1.84:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026