#212666

#212666

Color Values

HEX

#212666

RGB

33, 38, 102

HSL

235.7, 51.1%, 26.5%

HSV

235.7, 67.6%, 40.0%

CMYK

67.6%, 62.7%, 0.0%, 60.0%

OKLCH

0.3069 0.1109 274.4

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#212666

#666121

Analogous

#214966

#3F2166

#212666

Triadic

#212666

#662126

#266621

Split Complementary

#212666

#663F21

#496621

Tetradic

#212666

#662149

#666121

#21663F

Color Blindness Simulation

Original

#212666

Protanopia

#232357

Deuteranopia

#232253

Tritanopia

#214A48

Achromatopsia

#2A2A2A

CSS Usage

background-color: #212666;
color: #212666;
border-color: #212666;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F5FB
100
#E5E7F5
200
#C9CCEE
300
#A3A7E1
400
#7077D1
500
#3E48C1
600
#32399A
700
#282E7B
800
#1F2460
900
#1A1D47
950
#11132D

Contrast Checker

Text on white

13.69:1

AA Pass AAA Pass

Text on black

1.53:1

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