#427178

#427178

Color Values

HEX

#427178

RGB

66, 113, 120

HSL

187.8, 29.0%, 36.5%

HSV

187.8, 45.0%, 47.1%

CMYK

45.0%, 5.8%, 0.0%, 52.9%

OKLCH

0.5178 0.0524 207.8

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#427178

#784942

Analogous

#427864

#425678

#427178

Triadic

#427178

#784271

#717842

Split Complementary

#427178

#784256

#786442

Tetradic

#427178

#644278

#784942

#567842

Color Blindness Simulation

Original

#427178

Protanopia

#565776

Deuteranopia

#545076

Tritanopia

#447575

Achromatopsia

#686868

CSS Usage

background-color: #427178;
color: #427178;
border-color: #427178;
Nearest Tailwind: Cyan 800 #155E75

Tailwind Shades

50
#F5F9F9
100
#E9F0F2
200
#D1E3E6
300
#B0CFD4
400
#85B5BC
500
#5B9BA4
600
#487C84
700
#3A6369
800
#2D4D52
900
#243A3D
950
#172527

Contrast Checker

Text on white

5.43:1

AA Pass AAA Fail

Text on black

3.86:1

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