#537FA6

#537FA6

Color Values

HEX

#537FA6

RGB

83, 127, 166

HSL

208.2, 33.3%, 48.8%

HSV

208.2, 50.0%, 65.1%

CMYK

50.0%, 23.5%, 0.0%, 34.9%

OKLCH

0.5806 0.0775 246.4

Properties

Cool Light Nearest: steelblue

Color Harmonies

Complementary

#537FA6

#A67A53

Analogous

#53A6A3

#5355A6

#537FA6

Triadic

#537FA6

#A6537F

#7FA653

Split Complementary

#537FA6

#A65355

#A6A353

Tetradic

#537FA6

#A353A6

#A67A53

#55A653

Color Blindness Simulation

Original

#537FA6

Protanopia

#66669D

Deuteranopia

#64609A

Tritanopia

#559593

Achromatopsia

#787878

CSS Usage

background-color: #537FA6;
color: #537FA6;
border-color: #537FA6;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F5F7FA
100
#E8EDF2
200
#CFDCE7
300
#ADC3D6
400
#81A3C0
500
#5582AA
600
#446888
700
#36536D
800
#2B4155
900
#22313F
950
#151F28

Contrast Checker

Text on white

4.24:1

AA Fail AAA Fail

Text on black

4.95:1

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