#427CB8

#427CB8

Color Values

HEX

#427CB8

RGB

66, 124, 184

HSL

210.5, 47.2%, 49.0%

HSV

210.5, 64.1%, 72.2%

CMYK

64.1%, 32.6%, 0.0%, 27.8%

OKLCH

0.5745 0.1113 251.0

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#427CB8

#B87E42

Analogous

#42B7B8

#4342B8

#427CB8

Triadic

#427CB8

#B8427C

#7CB842

Split Complementary

#427CB8

#B84342

#B7B842

Tetradic

#427CB8

#B842B7

#B87E42

#42B843

Color Blindness Simulation

Original

#427CB8

Protanopia

#5B5CA9

Deuteranopia

#5853A6

Tritanopia

#459E9C

Achromatopsia

#747474

CSS Usage

background-color: #427CB8;
color: #427CB8;
border-color: #427CB8;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CADBEC
300
#A5C1DF
400
#74A0CD
500
#437EBC
600
#366596
700
#2B5178
800
#223F5E
900
#1C3045
950
#121E2C

Contrast Checker

Text on white

4.37:1

AA Fail AAA Fail

Text on black

4.81:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026