#2121CD

#2121CD

Color Values

HEX

#2121CD

RGB

33, 33, 205

HSL

240.0, 72.3%, 46.7%

HSV

240.0, 83.9%, 80.4%

CMYK

83.9%, 83.9%, 0.0%, 19.6%

OKLCH

0.4131 0.2457 268.7

Properties

Cool Dark Nearest: mediumblue

Color Harmonies

Complementary

#2121CD

#CDCD21

Analogous

#2177CD

#7721CD

#2121CD

Triadic

#2121CD

#CD2121

#21CD21

Split Complementary

#2121CD

#CD7721

#77CD21

Tetradic

#2121CD

#CD2177

#CDCD21

#21CD77

Color Blindness Simulation

Original

#2121CD

Protanopia

#2121A3

Deuteranopia

#212199

Tritanopia

#21827B

Achromatopsia

#2D2D2D

CSS Usage

background-color: #2121CD;
color: #2121CD;
border-color: #2121CD;
Nearest Tailwind: Violet 700 #6D28D9

Tailwind Shades

50
#F3F3FC
100
#E2E2F8
200
#C1C1F5
300
#9696EE
400
#5C5CE5
500
#2323DC
600
#1C1CB0
700
#17178D
800
#12126E
900
#111150
950
#0B0B33

Contrast Checker

Text on white

9.71:1

AA Pass AAA Pass

Text on black

2.16:1

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