#517FC7

#517FC7

Color Values

HEX

#517FC7

RGB

81, 127, 199

HSL

216.6, 51.3%, 54.9%

HSV

216.6, 59.3%, 78.0%

CMYK

59.3%, 36.2%, 0.0%, 22.0%

OKLCH

0.5966 0.1217 259.0

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#517FC7

#C79951

Analogous

#51BAC7

#5E51C7

#517FC7

Triadic

#517FC7

#C7517F

#7FC751

Split Complementary

#517FC7

#C75E51

#BAC751

Tetradic

#517FC7

#C751BA

#C79951

#51C75E

Color Blindness Simulation

Original

#517FC7

Protanopia

#6565B6

Deuteranopia

#625FB1

Tritanopia

#53A8A5

Achromatopsia

#7A7A7A

CSS Usage

background-color: #517FC7;
color: #517FC7;
border-color: #517FC7;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EBF5
200
#C9D7EE
300
#A2BBE1
400
#7096D1
500
#3E71C1
600
#325A9A
700
#28487B
800
#1F3960
900
#1A2C47
950
#101B2D

Contrast Checker

Text on white

4.03:1

AA Fail AAA Fail

Text on black

5.21:1

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