#212164

#212164

Color Values

HEX

#212164

RGB

33, 33, 100

HSL

240.0, 50.4%, 26.1%

HSV

240.0, 67.0%, 39.2%

CMYK

67.0%, 67.0%, 0.0%, 60.8%

OKLCH

0.2951 0.1149 276.7

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#212164

#646421

Analogous

#214364

#432164

#212164

Triadic

#212164

#642121

#216421

Split Complementary

#212164

#644321

#436421

Tetradic

#212164

#642143

#646421

#216443

Color Blindness Simulation

Original

#212164

Protanopia

#212154

Deuteranopia

#212150

Tritanopia

#214744

Achromatopsia

#262626

CSS Usage

background-color: #212164;
color: #212164;
border-color: #212164;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#C9C9ED
300
#A3A3E1
400
#7171D0
500
#3F3FC0
600
#333399
700
#28287B
800
#202060
900
#1A1A46
950
#11112C

Contrast Checker

Text on white

14.32:1

AA Pass AAA Pass

Text on black

1.47:1

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