#212B41

#212B41

Color Values

HEX

#212B41

RGB

33, 43, 65

HSL

221.2, 32.7%, 19.2%

HSV

221.2, 49.2%, 25.5%

CMYK

49.2%, 33.8%, 0.0%, 74.5%

OKLCH

0.2906 0.0428 265.1

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#212B41

#413721

Analogous

#213B41

#272141

#212B41

Triadic

#212B41

#41212B

#2B4121

Split Complementary

#212B41

#412721

#3B4121

Tetradic

#212B41

#41213B

#413721

#214127

Color Blindness Simulation

Original

#212B41

Protanopia

#25253C

Deuteranopia

#25243A

Tritanopia

#223737

Achromatopsia

#2A2A2A

CSS Usage

background-color: #212B41;
color: #212B41;
border-color: #212B41;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F5F7F9
100
#E8EBF2
200
#D0D7E7
300
#AEBAD6
400
#8295C0
500
#5670A9
600
#455A87
700
#37486C
800
#2B3855
900
#222B3F
950
#161B28

Contrast Checker

Text on white

14.13:1

AA Pass AAA Pass

Text on black

1.49:1

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