#123856

#123856

Color Values

HEX

#123856

RGB

18, 56, 86

HSL

206.5, 65.4%, 20.4%

HSV

206.5, 79.1%, 33.7%

CMYK

79.1%, 34.9%, 0.0%, 66.3%

OKLCH

0.3299 0.0681 245.9

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#123856

#563012

Analogous

#125652

#121656

#123856

Triadic

#123856

#561238

#385612

Split Complementary

#123856

#561216

#565212

Tetradic

#123856

#521256

#563012

#165612

Color Blindness Simulation

Original

#123856

Protanopia

#22234F

Deuteranopia

#201D4D

Tritanopia

#144948

Achromatopsia

#323232

CSS Usage

background-color: #123856;
color: #123856;
border-color: #123856;
Nearest Tailwind: Sky 950 #082F49

Tailwind Shades

50
#F3F8FC
100
#E3EEF7
200
#C4DEF3
300
#9AC6EA
400
#63A8DE
500
#2C89D3
600
#236EA9
700
#1C5887
800
#164569
900
#14344D
950
#0D2131

Contrast Checker

Text on white

12.17:1

AA Pass AAA Pass

Text on black

1.73:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026