#211A3C

#211A3C

Color Values

HEX

#211A3C

RGB

33, 26, 60

HSL

252.4, 39.5%, 16.9%

HSV

252.4, 56.7%, 23.5%

CMYK

45.0%, 56.7%, 0.0%, 76.5%

OKLCH

0.2458 0.0629 290.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#211A3C

#353C1A

Analogous

#1A243C

#321A3C

#211A3C

Triadic

#211A3C

#3C211A

#1A3C21

Split Complementary

#211A3C

#3C321A

#243C1A

Tetradic

#211A3C

#3C1A24

#353C1A

#1A3C32

Color Blindness Simulation

Original

#211A3C

Protanopia

#1E1E34

Deuteranopia

#1E1F32

Tritanopia

#212D2C

Achromatopsia

#1E1E1E

CSS Usage

background-color: #211A3C;
color: #211A3C;
border-color: #211A3C;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F6F5FA
100
#EAE7F3
200
#D3CDE9
300
#B4AADA
400
#8B7BC6
500
#624DB2
600
#4E3E8E
700
#3F3172
800
#312759
900
#261F42
950
#181429

Contrast Checker

Text on white

16.44:1

AA Pass AAA Pass

Text on black

1.28:1

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