#304655

#304655

Color Values

HEX

#304655

RGB

48, 70, 85

HSL

204.3, 27.8%, 26.1%

HSV

204.3, 43.5%, 33.3%

CMYK

43.5%, 17.6%, 0.0%, 66.7%

OKLCH

0.3823 0.0376 238.8

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#304655

#553F30

Analogous

#305552

#303455

#304655

Triadic

#304655

#553046

#465530

Split Complementary

#304655

#553034

#555230

Tetradic

#304655

#523055

#553F30

#345530

Color Blindness Simulation

Original

#304655

Protanopia

#3A3A51

Deuteranopia

#383750

Tritanopia

#314F4E

Achromatopsia

#424242

CSS Usage

background-color: #304655;
color: #304655;
border-color: #304655;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D1DDE5
300
#B1C5D3
400
#86A6BB
500
#5C86A3
600
#4A6B82
700
#3B5668
800
#2E4351
900
#24333D
950
#172026

Contrast Checker

Text on white

9.85:1

AA Pass AAA Pass

Text on black

2.13:1

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