#173D75

#173D75

Color Values

HEX

#173D75

RGB

23, 61, 117

HSL

215.7, 67.1%, 27.5%

HSV

215.7, 80.3%, 45.9%

CMYK

80.3%, 47.9%, 0.0%, 54.1%

OKLCH

0.366 0.1054 258.4

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#173D75

#754F17

Analogous

#176C75

#201775

#173D75

Triadic

#173D75

#75173D

#3D7517

Split Complementary

#173D75

#752017

#6C7517

Tetradic

#173D75

#75176C

#754F17

#177520

Color Blindness Simulation

Original

#173D75

Protanopia

#272867

Deuteranopia

#252264

Tritanopia

#195D5A

Achromatopsia

#393939

CSS Usage

background-color: #173D75;
color: #173D75;
border-color: #173D75;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F3F7FC
100
#E3EBF7
200
#C3D7F3
300
#99BAEB
400
#6195E0
500
#2A6FD5
600
#2259AA
700
#1B4788
800
#15386B
900
#132B4E
950
#0C1B31

Contrast Checker

Text on white

10.71:1

AA Pass AAA Pass

Text on black

1.96:1

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