#517BA0

#517BA0

Color Values

HEX

#517BA0

RGB

81, 123, 160

HSL

208.1, 32.8%, 47.3%

HSV

208.1, 49.4%, 62.7%

CMYK

49.4%, 23.1%, 0.0%, 37.3%

OKLCH

0.5674 0.0742 246.2

Properties

Cool Light Nearest: skyblue 4

Color Harmonies

Complementary

#517BA0

#A07651

Analogous

#51A09E

#5154A0

#517BA0

Triadic

#517BA0

#A0517B

#7BA051

Split Complementary

#517BA0

#A05154

#A09E51

Tetradic

#517BA0

#9E51A0

#A07651

#54A051

Color Blindness Simulation

Original

#517BA0

Protanopia

#636497

Deuteranopia

#615E95

Tritanopia

#53908E

Achromatopsia

#757575

CSS Usage

background-color: #517BA0;
color: #517BA0;
border-color: #517BA0;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7F9
100
#E8EDF2
200
#D0DCE7
300
#AEC3D6
400
#82A3C0
500
#5682A9
600
#456887
700
#37536C
800
#2B4155
900
#22313F
950
#161F28

Contrast Checker

Text on white

4.48:1

AA Fail AAA Fail

Text on black

4.69:1

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