#12231E

#12231E

Color Values

HEX

#12231E

RGB

18, 35, 30

HSL

162.4, 32.1%, 10.4%

HSV

162.4, 48.6%, 13.7%

CMYK

48.6%, 0.0%, 14.3%, 86.3%

OKLCH

0.2393 0.0249 173.5

Properties

Cool Dark Nearest: NCS S 9000-N Near Black

Color Harmonies

Complementary

#12231E

#231217

Analogous

#122316

#122023

#12231E

Triadic

#12231E

#1E1223

#231E12

Split Complementary

#12231E

#231220

#231612

Tetradic

#12231E

#161223

#231217

#202312

Color Blindness Simulation

Original

#12231E

Protanopia

#191A1F

Deuteranopia

#181720

Tritanopia

#132020

Achromatopsia

#1F1F1F

CSS Usage

background-color: #12231E;
color: #12231E;
border-color: #12231E;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F5F9F8
100
#E8F2EF
200
#D0E7E0
300
#AED5CA
400
#82BFAD
500
#57A890
600
#458774
700
#376C5C
800
#2B5448
900
#223E36
950
#162722

Contrast Checker

Text on white

16.34:1

AA Pass AAA Pass

Text on black

1.28:1

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