#517B90

#517B90

Color Values

HEX

#517B90

RGB

81, 123, 144

HSL

200.0, 28.0%, 44.1%

HSV

200.0, 43.8%, 56.5%

CMYK

43.8%, 14.6%, 0.0%, 43.5%

OKLCH

0.5603 0.0568 230.8

Properties

Cool Light Nearest: lightskyblue 4

Color Harmonies

Complementary

#517B90

#906651

Analogous

#519085

#515B90

#517B90

Triadic

#517B90

#90517B

#7B9051

Split Complementary

#517B90

#90515B

#908551

Tetradic

#517B90

#855190

#906651

#5B9051

Color Blindness Simulation

Original

#517B90

Protanopia

#63648B

Deuteranopia

#615E8A

Tritanopia

#538786

Achromatopsia

#747474

CSS Usage

background-color: #517B90;
color: #517B90;
border-color: #517B90;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#E9EFF1
200
#D1DFE5
300
#B1C8D3
400
#86A9BB
500
#5C8BA3
600
#497083
700
#3B5968
800
#2E4652
900
#24353D
950
#172126

Contrast Checker

Text on white

4.58:1

AA Pass AAA Fail

Text on black

4.59:1

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