#2121BA

#2121BA

Color Values

HEX

#2121BA

RGB

33, 33, 186

HSL

240.0, 69.9%, 42.9%

HSV

240.0, 82.3%, 72.9%

CMYK

82.3%, 82.3%, 0.0%, 27.1%

OKLCH

0.3902 0.2245 269.6

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#2121BA

#BABA21

Analogous

#216DBA

#6D21BA

#2121BA

Triadic

#2121BA

#BA2121

#21BA21

Split Complementary

#2121BA

#BA6D21

#6DBA21

Tetradic

#2121BA

#BA216D

#BABA21

#21BA6D

Color Blindness Simulation

Original

#2121BA

Protanopia

#212195

Deuteranopia

#21218C

Tritanopia

#217871

Achromatopsia

#2C2C2C

CSS Usage

background-color: #2121BA;
color: #2121BA;
border-color: #2121BA;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E3E3F8
200
#C2C2F4
300
#9797ED
400
#5F5FE3
500
#2626D9
600
#1F1FAD
700
#19198B
800
#13136C
900
#12124F
950
#0B0B32

Contrast Checker

Text on white

10.55:1

AA Pass AAA Pass

Text on black

1.99:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026