#427781

#427781

Color Values

HEX

#427781

RGB

66, 119, 129

HSL

189.5, 32.3%, 38.2%

HSV

189.5, 48.8%, 50.6%

CMYK

48.8%, 7.8%, 0.0%, 49.4%

OKLCH

0.5364 0.0585 211.1

Properties

Cool Dark Nearest: RAL 5021 Water Blue

Color Harmonies

Complementary

#427781

#814C42

Analogous

#42816B

#425781

#427781

Triadic

#427781

#814277

#778142

Split Complementary

#427781

#814257

#816B42

Tetradic

#427781

#6B4281

#814C42

#578142

Color Blindness Simulation

Original

#427781

Protanopia

#59597F

Deuteranopia

#56527E

Tritanopia

#457D7C

Achromatopsia

#6C6C6C

CSS Usage

background-color: #427781;
color: #427781;
border-color: #427781;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F5F9F9
100
#E8F0F2
200
#D0E3E7
300
#AECFD6
400
#82B5BF
500
#569CA9
600
#457D87
700
#37646C
800
#2B4E54
900
#223A3F
950
#162527

Contrast Checker

Text on white

5.02:1

AA Pass AAA Fail

Text on black

4.19:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026