#2123B2

#2123B2

Color Values

HEX

#2123B2

RGB

33, 35, 178

HSL

239.2, 68.7%, 41.4%

HSV

239.2, 81.5%, 69.8%

CMYK

81.5%, 80.3%, 0.0%, 30.2%

OKLCH

0.3831 0.2138 269.9

Properties

Cool Dark Nearest: darkblue

Color Harmonies

Complementary

#2123B2

#B2B021

Analogous

#216CB2

#6821B2

#2123B2

Triadic

#2123B2

#B22123

#23B221

Split Complementary

#2123B2

#B26821

#6CB221

Tetradic

#2123B2

#B2216C

#B2B021

#21B268

Color Blindness Simulation

Original

#2123B2

Protanopia

#22228F

Deuteranopia

#222287

Tritanopia

#21746E

Achromatopsia

#2D2D2D

CSS Usage

background-color: #2123B2;
color: #2123B2;
border-color: #2123B2;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FC
100
#E3E3F8
200
#C3C3F4
300
#9899EC
400
#6062E1
500
#282AD7
600
#2022AC
700
#1A1B8A
800
#14156C
900
#12134E
950
#0C0C32

Contrast Checker

Text on white

10.78:1

AA Pass AAA Pass

Text on black

1.95:1

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