#173F71

#173F71

Color Values

HEX

#173F71

RGB

23, 63, 113

HSL

213.3, 66.2%, 26.7%

HSV

213.3, 79.6%, 44.3%

CMYK

79.6%, 44.2%, 0.0%, 55.7%

OKLCH

0.368 0.097 255.7

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#173F71

#714917

Analogous

#176C71

#1C1771

#173F71

Triadic

#173F71

#71173F

#3F7117

Split Complementary

#173F71

#711C17

#6C7117

Tetradic

#173F71

#71176C

#714917

#17711C

Color Blindness Simulation

Original

#173F71

Protanopia

#282965

Deuteranopia

#262362

Tritanopia

#195B59

Achromatopsia

#3A3A3A

CSS Usage

background-color: #173F71;
color: #173F71;
border-color: #173F71;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F3F7FC
100
#E3ECF7
200
#C4D9F3
300
#99BDEA
400
#629ADF
500
#2B76D4
600
#225FAA
700
#1C4C88
800
#163B6A
900
#142D4D
950
#0C1D31

Contrast Checker

Text on white

10.57:1

AA Pass AAA Pass

Text on black

1.99:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

ม.ค. 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

ม.ค. 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

ม.ค. 15, 2026