#121B8C

#121B8C

Color Values

HEX

#121B8C

RGB

18, 27, 140

HSL

235.6, 77.2%, 31.0%

HSV

235.6, 87.1%, 54.9%

CMYK

87.1%, 80.7%, 0.0%, 45.1%

OKLCH

0.3208 0.1792 267.9

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#121B8C

#8C8312

Analogous

#12588C

#46128C

#121B8C

Triadic

#121B8C

#8C121B

#1B8C12

Split Complementary

#121B8C

#8C4612

#588C12

Tetradic

#121B8C

#8C1258

#8C8312

#128C46

Color Blindness Simulation

Original

#121B8C

Protanopia

#161671

Deuteranopia

#15156A

Tritanopia

#125B56

Achromatopsia

#212121

CSS Usage

background-color: #121B8C;
color: #121B8C;
border-color: #121B8C;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F2F3FC
100
#E1E3F9
200
#C0C4F7
300
#9399F1
400
#5862E9
500
#1D2CE2
600
#1723B5
700
#131C91
800
#0F1671
900
#0F1452
950
#090C34

Contrast Checker

Text on white

13.45:1

AA Pass AAA Pass

Text on black

1.56:1

AA Fail 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