#123765

#123765

Color Values

HEX

#123765

RGB

18, 55, 101

HSL

213.3, 69.7%, 23.3%

HSV

213.3, 82.2%, 39.6%

CMYK

82.2%, 45.5%, 0.0%, 60.4%

OKLCH

0.3376 0.0911 255.7

Properties

Cool Dark Nearest: RAL 5026 Pearl Night Blue

Color Harmonies

Complementary

#123765

#654012

Analogous

#126065

#171265

#123765

Triadic

#123765

#651237

#376512

Split Complementary

#123765

#651712

#606512

Tetradic

#123765

#651260

#654012

#126517

Color Blindness Simulation

Original

#123765

Protanopia

#22225A

Deuteranopia

#201D57

Tritanopia

#14514F

Achromatopsia

#323232

CSS Usage

background-color: #123765;
color: #123765;
border-color: #123765;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F3F7FC
100
#E3ECF8
200
#C2D9F4
300
#97BDEC
400
#5F99E2
500
#2776D8
600
#1F5EAD
700
#194B8A
800
#133B6C
900
#122D4F
950
#0B1C32

Contrast Checker

Text on white

11.93:1

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

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