#428789

#428789

Color Values

HEX

#428789

RGB

66, 135, 137

HSL

181.7, 35.0%, 39.8%

HSV

181.7, 51.8%, 53.7%

CMYK

51.8%, 1.5%, 0.0%, 46.3%

OKLCH

0.5797 0.0696 197.9

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#428789

#894442

Analogous

#428968

#426389

#428789

Triadic

#428789

#894287

#878942

Split Complementary

#428789

#894263

#896842

Tetradic

#428789

#684289

#894442

#638942

Color Blindness Simulation

Original

#428789

Protanopia

#606089

Deuteranopia

#5C5788

Tritanopia

#458888

Achromatopsia

#787878

CSS Usage

background-color: #428789;
color: #428789;
border-color: #428789;
Nearest Tailwind: Teal 700 #0F766E

Tailwind Shades

50
#F5F9FA
100
#E8F2F2
200
#CFE7E8
300
#ACD6D7
400
#80C0C2
500
#53AAAC
600
#42888A
700
#356D6E
800
#295556
900
#213F40
950
#152828

Contrast Checker

Text on white

4.15:1

AA Fail AAA Fail

Text on black

5.06:1

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