#12170A

#12170A

Color Values

HEX

#12170A

RGB

18, 23, 10

HSL

83.1, 39.4%, 6.5%

HSV

83.1, 56.5%, 9.0%

CMYK

21.7%, 0.0%, 56.5%, 91.0%

OKLCH

0.195 0.0257 125.8

Properties

Cool Dark Nearest: RAL 6022 Olive Drab

Color Harmonies

Complementary

#12170A

#0F0A17

Analogous

#17160A

#0C170A

#12170A

Triadic

#12170A

#0A1217

#170A12

Split Complementary

#12170A

#0A0C17

#160A17

Tetradic

#12170A

#0A1716

#0F0A17

#170A0C

Color Blindness Simulation

Original

#12170A

Protanopia

#14140D

Deuteranopia

#14140E

Tritanopia

#121010

Achromatopsia

#151515

CSS Usage

background-color: #12170A;
color: #12170A;
border-color: #12170A;
Nearest Tailwind: Stone 900 #1C1917

Tailwind Shades

50
#F8FAF5
100
#EFF3E7
200
#DFE9CD
300
#C7DAAA
400
#A9C67B
500
#8BB24D
600
#6F8E3E
700
#597231
800
#465927
900
#34421F
950
#212914

Contrast Checker

Text on white

18.22:1

AA Pass AAA Pass

Text on black

1.15:1

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