#427EB5

#427EB5

Color Values

HEX

#427EB5

RGB

66, 126, 181

HSL

208,7, 46,6%, 48,4%

HSV

208,7, 63,5%, 71,0%

CMYK

63,5%, 30,4%, 0,0%, 29,0%

OKLCH

0,5775 0,1058 248,3

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#427EB5

#B57942

Analogous

#42B5B2

#4244B5

#427EB5

Triadic

#427EB5

#B5427E

#7EB542

Split Complementary

#427EB5

#B54244

#B5B242

Tetradic

#427EB5

#B242B5

#B57942

#44B542

Color Blindness Simulation

Original

#427EB5

Protanopia

#5C5DA8

Deuteranopia

#5854A4

Tritanopia

#459D9B

Achromatopsia

#757575

CSS Usage

background-color: #427EB5;
color: #427EB5;
border-color: #427EB5;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FA
100
#E6EDF4
200
#CBDCEC
300
#A5C3DE
400
#75A3CD
500
#4482BB
600
#366896
700
#2C5378
800
#22415D
900
#1C3145
950
#121F2B

Contrast Checker

Text on white

4,3:1

AA Fail AAA Fail

Text on black

4,88:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Oca 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Oca 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Oca 15, 2026