#173F69

#173F69

Color Values

HEX

#173F69

RGB

23, 63, 105

HSL

210.7, 64.1%, 25.1%

HSV

210.7, 78.1%, 41.2%

CMYK

78.1%, 40.0%, 0.0%, 58.8%

OKLCH

0.3625 0.0854 252.3

Properties

Cool Dark Nearest: Midnight Blue

Color Harmonies

Complementary

#173F69

#694117

Analogous

#176869

#181769

#173F69

Triadic

#173F69

#69173F

#3F6917

Split Complementary

#173F69

#691817

#686917

Tetradic

#173F69

#691768

#694117

#176918

Color Blindness Simulation

Original

#173F69

Protanopia

#28295F

Deuteranopia

#26235C

Tritanopia

#195755

Achromatopsia

#3A3A3A

CSS Usage

background-color: #173F69;
color: #173F69;
border-color: #173F69;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F3F7FC
100
#E3EDF7
200
#C4DBF2
300
#9BC1E9
400
#649FDD
500
#2E7ED1
600
#2564A7
700
#1D5086
800
#173F69
900
#14304C
950
#0D1E30

Contrast Checker

Text on white

10.76:1

AA Pass AAA Pass

Text on black

1.95:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026