#304456

#304456

Color Values

HEX

#304456

RGB

48, 68, 86

HSL

208.4, 28.4%, 26.3%

HSV

208.4, 44.2%, 33.7%

CMYK

44.2%, 20.9%, 0.0%, 66.3%

OKLCH

0.3776 0.04 246.3

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#304456

#564230

Analogous

#305655

#303156

#304456

Triadic

#304456

#563044

#445630

Split Complementary

#304456

#563031

#565530

Tetradic

#304456

#553056

#564230

#315630

Color Blindness Simulation

Original

#304456

Protanopia

#393952

Deuteranopia

#383651

Tritanopia

#314E4D

Achromatopsia

#414141

CSS Usage

background-color: #304456;
color: #304456;
border-color: #304456;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D1DCE5
300
#B0C3D3
400
#86A2BB
500
#5B81A4
600
#496883
700
#3A5369
800
#2E4152
900
#24313D
950
#171F26

Contrast Checker

Text on white

10.06:1

AA Pass AAA Pass

Text on black

2.09:1

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