#210504

#210504

Color Values

HEX

#210504

RGB

33, 5, 4

HSL

2.1, 78.4%, 7.3%

HSV

2.1, 87.9%, 12.9%

CMYK

0.0%, 84.8%, 87.9%, 87.1%

OKLCH

0.1699 0.0504 27.0

Properties

Warm Dark Nearest: RAL 9005 Jet Black

Color Harmonies

Complementary

#210504

#042021

Analogous

#210412

#211404

#210504

Triadic

#210504

#042105

#050421

Split Complementary

#210504

#042114

#041221

Tetradic

#210504

#122104

#042021

#140421

Color Blindness Simulation

Original

#210504

Protanopia

#151504

Deuteranopia

#161904

Tritanopia

#200404

Achromatopsia

#0B0B0B

CSS Usage

background-color: #210504;
color: #210504;
border-color: #210504;
Nearest Tailwind: Stone 950 #0C0A09

Tailwind Shades

50
#FCF3F2
100
#F9E2E1
200
#F7C1BF
300
#F29592
400
#EB5C57
500
#E3231C
600
#B61C16
700
#921612
800
#72110E
900
#53110E
950
#340B09

Contrast Checker

Text on white

19.3:1

AA Pass AAA Pass

Text on black

1.09:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026