#427AB9

#427AB9

Color Values

HEX

#427AB9

RGB

66, 122, 185

HSL

211.8, 47.4%, 49.2%

HSV

211.8, 64.3%, 72.5%

CMYK

64.3%, 34.1%, 0.0%, 27.5%

OKLCH

0.5704 0.1145 252.9

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#427AB9

#B98142

Analogous

#42B5B9

#4642B9

#427AB9

Triadic

#427AB9

#B9427A

#7AB942

Split Complementary

#427AB9

#B94642

#B5B942

Tetradic

#427AB9

#B942B5

#B98142

#42B946

Color Blindness Simulation

Original

#427AB9

Protanopia

#5A5BAA

Deuteranopia

#5753A6

Tritanopia

#459E9B

Achromatopsia

#737373

CSS Usage

background-color: #427AB9;
color: #427AB9;
border-color: #427AB9;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CADAEC
300
#A5C0DF
400
#749ECD
500
#437CBC
600
#366396
700
#2B4F78
800
#223E5E
900
#1C2F45
950
#121E2C

Contrast Checker

Text on white

4.45:1

AA Fail AAA Fail

Text on black

4.72:1

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