#42838C

#42838C

Color Values

HEX

#42838C

RGB

66, 131, 140

HSL

187.3, 35.9%, 40.4%

HSV

187.3, 52.9%, 54.9%

CMYK

52.9%, 6.4%, 0.0%, 45.1%

OKLCH

0.5708 0.0677 207.3

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#42838C

#8C4B42

Analogous

#428C70

#425E8C

#42838C

Triadic

#42838C

#8C4283

#838C42

Split Complementary

#42838C

#8C425E

#8C7042

Tetradic

#42838C

#70428C

#8C4B42

#5E8C42

Color Blindness Simulation

Original

#42838C

Protanopia

#5E5F8A

Deuteranopia

#5A5689

Tritanopia

#458888

Achromatopsia

#767676

CSS Usage

background-color: #42838C;
color: #42838C;
border-color: #42838C;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F5F9FA
100
#E8F1F3
200
#CEE5E8
300
#ACD2D8
400
#7FBAC3
500
#52A2AD
600
#41828B
700
#34686F
800
#295157
900
#213C40
950
#152628

Contrast Checker

Text on white

4.32:1

AA Fail AAA Fail

Text on black

4.86:1

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