#143458

#143458

Color Values

HEX

#143458

RGB

20, 52, 88

HSL

211.8, 63.0%, 21.2%

HSV

211.8, 77.3%, 34.5%

CMYK

77.3%, 40.9%, 0.0%, 65.5%

OKLCH

0.3213 0.0746 253.4

Properties

Cool Dark Nearest: RAL 5010 Gentian Blue

Color Harmonies

Complementary

#143458

#583814

Analogous

#145658

#161458

#143458

Triadic

#143458

#581434

#345814

Split Complementary

#143458

#581614

#565814

Tetradic

#143458

#581456

#583814

#145816

Color Blindness Simulation

Original

#143458

Protanopia

#22224F

Deuteranopia

#201E4D

Tritanopia

#164847

Achromatopsia

#303030

CSS Usage

background-color: #143458;
color: #143458;
border-color: #143458;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F7FB
100
#E4EDF7
200
#C5DAF2
300
#9BBFE8
400
#659DDC
500
#2F7BD0
600
#2662A6
700
#1E4F85
800
#183D68
900
#152F4C
950
#0D1E30

Contrast Checker

Text on white

12.64:1

AA Pass AAA Pass

Text on black

1.66:1

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