#121B8D

#121B8D

Color Values

HEX

#121B8D

RGB

18, 27, 141

HSL

235.6, 77.4%, 31.2%

HSV

235.6, 87.2%, 55.3%

CMYK

87.2%, 80.9%, 0.0%, 44.7%

OKLCH

0.3221 0.1804 267.9

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#121B8D

#8D8412

Analogous

#12598D

#47128D

#121B8D

Triadic

#121B8D

#8D121B

#1B8D12

Split Complementary

#121B8D

#8D4712

#598D12

Tetradic

#121B8D

#8D1259

#8D8412

#128D47

Color Blindness Simulation

Original

#121B8D

Protanopia

#161671

Deuteranopia

#15156B

Tritanopia

#125C57

Achromatopsia

#212121

CSS Usage

background-color: #121B8D;
color: #121B8D;
border-color: #121B8D;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F2F3FC
100
#E1E3F9
200
#C0C4F7
300
#9299F1
400
#5862EA
500
#1D2BE2
600
#1723B5
700
#121C91
800
#0E1671
900
#0F1452
950
#090C34

Contrast Checker

Text on white

13.4:1

AA Pass AAA Pass

Text on black

1.57:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026