#12818D

#12818D

Color Values

HEX

#12818D

RGB

18, 129, 141

HSL

185.9, 77.4%, 31.2%

HSV

185.9, 87.2%, 55.3%

CMYK

87.2%, 8.5%, 0.0%, 44.7%

OKLCH

0.5527 0.0911 206.7

Properties

Cool Dark Nearest: turquoise 4

Color Harmonies

Complementary

#12818D

#8D1E12

Analogous

#128D5C

#12438D

#12818D

Triadic

#12818D

#8D1281

#818D12

Split Complementary

#12818D

#8D1243

#8D5C12

Tetradic

#12818D

#5C128D

#8D1E12

#438D12

Color Blindness Simulation

Original

#12818D

Protanopia

#42438A

Deuteranopia

#3C3389

Tritanopia

#188887

Achromatopsia

#6A6A6A

CSS Usage

background-color: #12818D;
color: #12818D;
border-color: #12818D;
Nearest Tailwind: Cyan 700 #0E7490

Tailwind Shades

50
#F2FBFC
100
#E1F7F9
200
#C0F1F7
300
#92E8F1
400
#58DBEA
500
#1DCFE2
600
#17A5B5
700
#128491
800
#0E6771
900
#0F4C52
950
#093034

Contrast Checker

Text on white

4.61:1

AA Pass AAA Fail

Text on black

4.55:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026