#178B8D

#178B8D

Color Values

HEX

#178B8D

RGB

23, 139, 141

HSL

181.0, 72.0%, 32.2%

HSV

181.0, 83.7%, 55.3%

CMYK

83.7%, 1.4%, 0.0%, 44.7%

OKLCH

0.5795 0.094 196.7

Properties

Cool Light Nearest: darkcyan

Color Harmonies

Complementary

#178B8D

#8D1917

Analogous

#178D54

#17508D

#178B8D

Triadic

#178B8D

#8D178B

#8B8D17

Split Complementary

#178B8D

#8D1750

#8D5417

Tetradic

#178B8D

#54178D

#8D1917

#508D17

Color Blindness Simulation

Original

#178B8D

Protanopia

#494A8D

Deuteranopia

#423A8C

Tritanopia

#1D8C8C

Achromatopsia

#727272

CSS Usage

background-color: #178B8D;
color: #178B8D;
border-color: #178B8D;
Nearest Tailwind: Teal 600 #0D9488

Tailwind Shades

50
#F3FCFC
100
#E2F8F8
200
#C2F4F5
300
#96ECEE
400
#5DE2E5
500
#24D8DB
600
#1DADAF
700
#178A8C
800
#126C6E
900
#114F50
950
#0B3232

Contrast Checker

Text on white

4.11:1

AA Fail AAA Fail

Text on black

5.11:1

AA Pass 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