#304D56

#304D56

Color Values

HEX

#304D56

RGB

48, 77, 86

HSL

194.2, 28.4%, 26.3%

HSV

194.2, 44.2%, 33.7%

CMYK

44.2%, 10.5%, 0.0%, 66.3%

OKLCH

0.4011 0.0378 219.4

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#304D56

#563930

Analogous

#30564C

#303A56

#304D56

Triadic

#304D56

#56304D

#4D5630

Split Complementary

#304D56

#56303A

#564C30

Tetradic

#304D56

#4C3056

#563930

#3A5630

Color Blindness Simulation

Original

#304D56

Protanopia

#3D3D54

Deuteranopia

#3B3953

Tritanopia

#315252

Achromatopsia

#474747

CSS Usage

background-color: #304D56;
color: #304D56;
border-color: #304D56;
Nearest Tailwind: Cyan 900 #164E63

Tailwind Shades

50
#F6F8F9
100
#E9EFF1
200
#D1E1E5
300
#B0CBD3
400
#86AFBB
500
#5B93A4
600
#497583
700
#3A5E69
800
#2E4952
900
#24373D
950
#172326

Contrast Checker

Text on white

9.05:1

AA Pass AAA Pass

Text on black

2.32:1

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