#166ECB

#166ECB

Color Values

HEX

#166ECB

RGB

22, 110, 203

HSL

210.8, 80.4%, 44.1%

HSV

210.8, 89.2%, 79.6%

CMYK

89.2%, 45.8%, 0.0%, 20.4%

OKLCH

0.5414 0.1639 254.6

Properties

Cool Dark Nearest: Navy Blue

Color Harmonies

Complementary

#166ECB

#CB7316

Analogous

#16C8CB

#1816CB

#166ECB

Triadic

#166ECB

#CB166E

#6ECB16

Split Complementary

#166ECB

#CB1816

#C8CB16

Tetradic

#166ECB

#CB16C8

#CB7316

#16CB18

Color Blindness Simulation

Original

#166ECB

Protanopia

#3C3DB5

Deuteranopia

#3730AF

Tritanopia

#1AA39F

Achromatopsia

#626262

CSS Usage

background-color: #166ECB;
color: #166ECB;
border-color: #166ECB;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F2F7FD
100
#E1EDF9
200
#BFDBF8
300
#91C0F3
400
#559FED
500
#197DE6
600
#1464B8
700
#105093
800
#0C3E73
900
#0D3054
950
#081E35

Contrast Checker

Text on white

5.09:1

AA Pass AAA Fail

Text on black

4.13:1

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