#304042

#304042

Color Values

HEX

#304042

RGB

48, 64, 66

HSL

186.7, 15.8%, 22.4%

HSV

186.7, 27.3%, 25.9%

CMYK

27.3%, 3.0%, 0.0%, 74.1%

OKLCH

0.3584 0.0209 205.7

Properties

Cool Dark Nearest: RAL 6012 Black Green

Color Harmonies

Complementary

#304042

#423230

Analogous

#30423B

#303742

#304042

Triadic

#304042

#423040

#404230

Split Complementary

#304042

#423037

#423B30

Tetradic

#304042

#3B3042

#423230

#374230

Color Blindness Simulation

Original

#304042

Protanopia

#373742

Deuteranopia

#363541

Tritanopia

#314141

Achromatopsia

#3D3D3D

CSS Usage

background-color: #304042;
color: #304042;
border-color: #304042;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F6F8F8
100
#EBEFF0
200
#D6E0E1
300
#B8C9CB
400
#92ACB0
500
#6B8F94
600
#567376
700
#455C5E
800
#36484A
900
#2A3637
950
#1A2223

Contrast Checker

Text on white

10.84:1

AA Pass AAA Pass

Text on black

1.94:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026