#123766

#123766

Color Values

HEX

#123766

RGB

18, 55, 102

HSL

213.6, 70.0%, 23.5%

HSV

213.6, 82.4%, 40.0%

CMYK

82.4%, 46.1%, 0.0%, 60.0%

OKLCH

0.3383 0.0925 256.1

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#123766

#664112

Analogous

#126166

#171266

#123766

Triadic

#123766

#661237

#376612

Split Complementary

#123766

#661712

#616612

Tetradic

#123766

#661261

#664112

#126617

Color Blindness Simulation

Original

#123766

Protanopia

#22225B

Deuteranopia

#201D58

Tritanopia

#145250

Achromatopsia

#333333

CSS Usage

background-color: #123766;
color: #123766;
border-color: #123766;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F3F7FC
100
#E3ECF8
200
#C2D8F4
300
#97BDED
400
#5F99E3
500
#2675D9
600
#1F5DAD
700
#184B8B
800
#133A6C
900
#122D4F
950
#0B1C32

Contrast Checker

Text on white

11.9:1

AA Pass AAA Pass

Text on black

1.76:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

2월 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

2월 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

2월 19, 2026