#121D91

#121D91

Color Values

HEX

#121D91

RGB

18, 29, 145

HSL

234.8, 77.9%, 32.0%

HSV

234.8, 87.6%, 56.9%

CMYK

87.6%, 80.0%, 0.0%, 43.1%

OKLCH

0.3296 0.1835 267.6

Properties

Cool Dark Nearest: navy

Color Harmonies

Complementary

#121D91

#918612

Analogous

#125D91

#471291

#121D91

Triadic

#121D91

#91121D

#1D9112

Split Complementary

#121D91

#914712

#5D9112

Tetradic

#121D91

#91125D

#918612

#129147

Color Blindness Simulation

Original

#121D91

Protanopia

#171775

Deuteranopia

#16156E

Tritanopia

#135F5A

Achromatopsia

#232323

CSS Usage

background-color: #121D91;
color: #121D91;
border-color: #121D91;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F2F3FC
100
#E1E3F9
200
#BFC4F7
300
#929AF1
400
#5764EA
500
#1C2DE3
600
#1724B5
700
#121D91
800
#0E1771
900
#0E1452
950
#090D34

Contrast Checker

Text on white

13.04:1

AA Pass AAA Pass

Text on black

1.61:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026