#427DBF

#427DBF

Color Values

HEX

#427DBF

RGB

66, 125, 191

HSL

211,7, 49,4%, 50,4%

HSV

211,7, 65,4%, 74,9%

CMYK

65,4%, 34,6%, 0,0%, 25,1%

OKLCH

0,5806 0,1194 252,8

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#427DBF

#BF8442

Analogous

#42BBBF

#4642BF

#427DBF

Triadic

#427DBF

#BF427D

#7DBF42

Split Complementary

#427DBF

#BF4642

#BBBF42

Tetradic

#427DBF

#BF42BB

#BF8442

#42BF46

Color Blindness Simulation

Original

#427DBF

Protanopia

#5C5CAF

Deuteranopia

#5854AB

Tritanopia

#45A2A0

Achromatopsia

#757575

CSS Usage

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

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADAED
300
#A4C0E0
400
#729ECF
500
#417CBE
600
#346398
700
#294F7A
800
#203E5F
900
#1B2F46
950
#111E2C

Contrast Checker

Text on white

4,27:1

AA Fail AAA Fail

Text on black

4,92:1

AA Pass 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