#517DA2

#517DA2

Color Values

HEX

#517DA2

RGB

81, 125, 162

HSL

207,4, 33,3%, 47,6%

HSV

207,4, 50,0%, 63,5%

CMYK

50,0%, 22,8%, 0,0%, 36,5%

OKLCH

0,573 0,0752 245,0

Properties

Cool Light Nearest: skyblue 4

Color Harmonies

Complementary

#517DA2

#A27651

Analogous

#51A29E

#5154A2

#517DA2

Triadic

#517DA2

#A2517D

#7DA251

Split Complementary

#517DA2

#A25154

#A29E51

Tetradic

#517DA2

#9E51A2

#A27651

#54A251

Color Blindness Simulation

Original

#517DA2

Protanopia

#646499

Deuteranopia

#625E97

Tritanopia

#539290

Achromatopsia

#767676

CSS Usage

background-color: #517DA2;
color: #517DA2;
border-color: #517DA2;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F8FA
100
#E8EEF2
200
#CFDCE7
300
#ADC4D6
400
#81A3C0
500
#5583AA
600
#446988
700
#36546D
800
#2B4255
900
#22323F
950
#151F28

Contrast Checker

Text on white

4,37:1

AA Fail AAA Fail

Text on black

4,81:1

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