#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

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026