#211C2C

#211C2C

Color Values

HEX

#211C2C

RGB

33, 28, 44

HSL

258.8, 22.2%, 14.1%

HSV

258.8, 36.4%, 17.3%

CMYK

25.0%, 36.4%, 0.0%, 82.7%

OKLCH

0.2399 0.0309 298.4

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#211C2C

#272C1C

Analogous

#1C1F2C

#291C2C

#211C2C

Triadic

#211C2C

#2C211C

#1C2C21

Split Complementary

#211C2C

#2C291C

#1F2C1C

Tetradic

#211C2C

#2C1C1F

#272C1C

#1C2C29

Color Blindness Simulation

Original

#211C2C

Protanopia

#1F1F28

Deuteranopia

#1F2027

Tritanopia

#212524

Achromatopsia

#1E1E1E

CSS Usage

background-color: #211C2C;
color: #211C2C;
border-color: #211C2C;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F7F6F9
100
#ECEAF1
200
#D8D3E3
300
#BDB4CF
400
#998CB6
500
#75639C
600
#5E4F7D
700
#4B3F64
800
#3A324E
900
#2D273A
950
#1C1825

Contrast Checker

Text on white

16.57:1

AA Pass AAA Pass

Text on black

1.27:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026