#212556

#212556

Color Values

HEX

#212556

RGB

33, 37, 86

HSL

235.5, 44.5%, 23.3%

HSV

235.5, 61.6%, 33.7%

CMYK

61.6%, 57.0%, 0.0%, 66.3%

OKLCH

0.2909 0.0875 276.0

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#212556

#565221

Analogous

#213F56

#372156

#212556

Triadic

#212556

#562125

#255621

Split Complementary

#212556

#563721

#3F5621

Tetradic

#212556

#56213F

#565221

#215637

Color Blindness Simulation

Original

#212556

Protanopia

#23234A

Deuteranopia

#222247

Tritanopia

#21413F

Achromatopsia

#282828

CSS Usage

background-color: #212556;
color: #212556;
border-color: #212556;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCEEB
300
#A7ABDD
400
#777DCB
500
#474FB8
600
#393F93
700
#2D3376
800
#23285C
900
#1D2044
950
#12142B

Contrast Checker

Text on white

14.35:1

AA Pass AAA Pass

Text on black

1.46:1

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