#307278

#307278

Color Values

HEX

#307278

RGB

48, 114, 120

HSL

185.0, 42.9%, 32.9%

HSV

185.0, 60.0%, 47.1%

CMYK

60.0%, 5.0%, 0.0%, 52.9%

OKLCH

0.5123 0.067 203.4

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#307278

#783630

Analogous

#30785A

#304E78

#307278

Triadic

#307278

#783072

#727830

Split Complementary

#307278

#78304E

#785A30

Tetradic

#307278

#5A3078

#783630

#4E7830

Color Blindness Simulation

Original

#307278

Protanopia

#4D4D77

Deuteranopia

#494476

Tritanopia

#337575

Achromatopsia

#646464

CSS Usage

background-color: #307278;
color: #307278;
border-color: #307278;
Nearest Tailwind: Teal 800 #115E59

Tailwind Shades

50
#F5FAFA
100
#E7F3F4
200
#CCE8EB
300
#A8D8DC
400
#78C2C9
500
#49ADB6
600
#3A8A92
700
#2F6F75
800
#24575B
900
#1E4043
950
#13282A

Contrast Checker

Text on white

5.52:1

AA Pass AAA Fail

Text on black

3.8:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026