#210B15

#210B15

Color Values

HEX

#210B15

RGB

33, 11, 21

HSL

332.7, 50.0%, 8.6%

HSV

332.7, 66.7%, 12.9%

CMYK

0.0%, 66.7%, 36.4%, 87.1%

OKLCH

0.1887 0.0407 353.1

Properties

Warm Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#210B15

#0B2117

Analogous

#210B20

#210C0B

#210B15

Triadic

#210B15

#15210B

#0B1521

Split Complementary

#210B15

#0B210C

#0B2021

Tetradic

#210B15

#20210B

#0B2117

#0C0B21

Color Blindness Simulation

Original

#210B15

Protanopia

#171713

Deuteranopia

#191A12

Tritanopia

#201110

Achromatopsia

#101010

CSS Usage

background-color: #210B15;
color: #210B15;
border-color: #210B15;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#FBF4F7
100
#F5E6EC
200
#EDC9DA
300
#E0A3BF
400
#D0719C
500
#BF407A
600
#993361
700
#7A294E
800
#60203D
900
#461B2E
950
#2C111D

Contrast Checker

Text on white

18.69:1

AA Pass AAA Pass

Text on black

1.12:1

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