#427DB7

#427DB7

Color Values

HEX

#427DB7

RGB

66, 125, 183

HSL

209.7, 47.0%, 48.8%

HSV

209.7, 63.9%, 71.8%

CMYK

63.9%, 31.7%, 0.0%, 28.2%

OKLCH

0.5762 0.1091 249.9

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#427DB7

#B77C42

Analogous

#42B7B6

#4243B7

#427DB7

Triadic

#427DB7

#B7427D

#7DB742

Split Complementary

#427DB7

#B74243

#B7B642

Tetradic

#427DB7

#B642B7

#B77C42

#43B742

Color Blindness Simulation

Original

#427DB7

Protanopia

#5C5CA9

Deuteranopia

#5854A6

Tritanopia

#459E9B

Achromatopsia

#757575

CSS Usage

background-color: #427DB7;
color: #427DB7;
border-color: #427DB7;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDBEC
300
#A5C2DF
400
#74A1CD
500
#4480BB
600
#366696
700
#2B5278
800
#22405E
900
#1C3145
950
#121F2C

Contrast Checker

Text on white

4.33:1

AA Fail AAA Fail

Text on black

4.85:1

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