#516C8E

#516C8E

Color Values

HEX

#516C8E

RGB

81, 108, 142

HSL

213.4, 27.4%, 43.7%

HSV

213.4, 43.0%, 55.7%

CMYK

43.0%, 23.9%, 0.0%, 44.3%

OKLCH

0.524 0.0628 254.5

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#516C8E

#8E7351

Analogous

#518B8E

#54518E

#516C8E

Triadic

#516C8E

#8E516C

#6C8E51

Split Complementary

#516C8E

#8E5451

#8B8E51

Tetradic

#516C8E

#8E518B

#8E7351

#518E54

Color Blindness Simulation

Original

#516C8E

Protanopia

#5D5D86

Deuteranopia

#5B5984

Tritanopia

#527F7E

Achromatopsia

#696969

CSS Usage

background-color: #516C8E;
color: #516C8E;
border-color: #516C8E;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DAE5
300
#B1C0D3
400
#879EBB
500
#5D7CA2
600
#4A6382
700
#3B4F68
800
#2E3E51
900
#252F3C
950
#171E26

Contrast Checker

Text on white

5.4:1

AA Pass AAA Fail

Text on black

3.89:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026