#211B2C

#211B2C

Color Values

HEX

#211B2C

RGB

33, 27, 44

HSL

261.2, 23.9%, 13.9%

HSV

261.2, 38.6%, 17.3%

CMYK

25.0%, 38.6%, 0.0%, 82.7%

OKLCH

0.2374 0.033 300.1

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#211B2C

#262C1B

Analogous

#1B1D2C

#291B2C

#211B2C

Triadic

#211B2C

#2C211B

#1B2C21

Split Complementary

#211B2C

#2C291B

#1D2C1B

Tetradic

#211B2C

#2C1B1D

#262C1B

#1B2C29

Color Blindness Simulation

Original

#211B2C

Protanopia

#1E1E28

Deuteranopia

#1F1F27

Tritanopia

#212524

Achromatopsia

#1E1E1E

CSS Usage

background-color: #211B2C;
color: #211B2C;
border-color: #211B2C;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F7F6F9
100
#ECEAF1
200
#D9D3E4
300
#BEB3D0
400
#9A8AB7
500
#77619E
600
#5F4E7E
700
#4C3E65
800
#3B314F
900
#2D263B
950
#1D1825

Contrast Checker

Text on white

16.7:1

AA Pass AAA Pass

Text on black

1.26:1

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