#517EF1

#517EF1

Color Values

HEX

#517EF1

RGB

81, 126, 241

HSL

223,1, 85,1%, 63,1%

HSV

223,1, 66,4%, 94,5%

CMYK

66,4%, 47,7%, 0,0%, 5,5%

OKLCH

0,6203 0,1796 265,4

Properties

Cool Light Nearest: royalblue

Color Harmonies

Complementary

#517EF1

#F1C451

Analogous

#51CEF1

#7451F1

#517EF1

Triadic

#517EF1

#F1517E

#7EF151

Split Complementary

#517EF1

#F17451

#CEF151

Tetradic

#517EF1

#F151CE

#F1C451

#51F174

Color Blindness Simulation

Original

#517EF1

Protanopia

#6465D5

Deuteranopia

#625ECE

Tritanopia

#53BFBA

Achromatopsia

#7D7D7D

CSS Usage

background-color: #517EF1;
color: #517EF1;
border-color: #517EF1;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F2F5FD
100
#E0E8FA
200
#BDCEFA
300
#8EABF6
400
#507EF1
500
#1350EC
600
#0F40BD
700
#0C3397
800
#092876
900
#0B2056
950
#071436

Contrast Checker

Text on white

3,75:1

AA Fail AAA Fail

Text on black

5,6:1

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