#21130A

#21130A

Color Values

HEX

#21130A

RGB

33, 19, 10

HSL

23.5, 53.5%, 8.4%

HSV

23.5, 69.7%, 12.9%

CMYK

0.0%, 42.4%, 69.7%, 87.1%

OKLCH

0.2031 0.0286 53.2

Properties

Warm Dark Nearest: RAL 6022 Olive Drab

Color Harmonies

Complementary

#21130A

#0A1821

Analogous

#210A0C

#211E0A

#21130A

Triadic

#21130A

#0A2113

#130A21

Split Complementary

#21130A

#0A211E

#0A0C21

Tetradic

#21130A

#0C210A

#0A1821

#1E0A21

Color Blindness Simulation

Original

#21130A

Protanopia

#1B1B0C

Deuteranopia

#1C1D0D

Tritanopia

#200E0E

Achromatopsia

#151515

CSS Usage

background-color: #21130A;
color: #21130A;
border-color: #21130A;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#FBF7F4
100
#F5EBE5
200
#EED7C8
300
#E3BBA1
400
#D3966E
500
#C4713B
600
#9D5A2F
700
#7D4826
800
#62381E
900
#482B19
950
#2D1B10

Contrast Checker

Text on white

18.07:1

AA Pass AAA Pass

Text on black

1.16:1

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