#516B7E

#516B7E

Color Values

HEX

#516B7E

RGB

81, 107, 126

HSL

205.3, 21.7%, 40.6%

HSV

205.3, 35.7%, 49.4%

CMYK

35.7%, 15.1%, 0.0%, 50.6%

OKLCH

0.5145 0.0431 240.4

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#516B7E

#7E6451

Analogous

#517E7A

#51557E

#516B7E

Triadic

#516B7E

#7E516B

#6B7E51

Split Complementary

#516B7E

#7E5155

#7E7A51

Tetradic

#516B7E

#7A517E

#7E6451

#557E51

Color Blindness Simulation

Original

#516B7E

Protanopia

#5C5C79

Deuteranopia

#5B5978

Tritanopia

#527675

Achromatopsia

#676767

CSS Usage

background-color: #516B7E;
color: #516B7E;
border-color: #516B7E;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#EAEEF0
200
#D4DDE3
300
#B5C4CF
400
#8CA4B5
500
#64849B
600
#50697C
700
#405463
800
#32424E
900
#27323A
950
#192025

Contrast Checker

Text on white

5.59:1

AA Pass AAA Fail

Text on black

3.75:1

AA Fail 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