#121F1F

#121F1F

Color Values

HEX

#121F1F

RGB

18, 31, 31

HSL

180.0, 26.5%, 9.6%

HSV

180.0, 41.9%, 12.2%

CMYK

41.9%, 0.0%, 0.0%, 87.8%

OKLCH

0.2273 0.0181 195.9

Properties

Cool Dark Nearest: RAL 9011 Graphite Black

Color Harmonies

Complementary

#121F1F

#1F1212

Analogous

#121F18

#12181F

#121F1F

Triadic

#121F1F

#1F121F

#1F1F12

Split Complementary

#121F1F

#1F1218

#1F1812

Tetradic

#121F1F

#18121F

#1F1212

#181F12

Color Blindness Simulation

Original

#121F1F

Protanopia

#18181F

Deuteranopia

#17161F

Tritanopia

#131F1F

Achromatopsia

#1C1C1C

CSS Usage

background-color: #121F1F;
color: #121F1F;
border-color: #121F1F;
Nearest Tailwind: Neutral 900 #171717

Tailwind Shades

50
#F6F9F9
100
#E9F1F1
200
#D2E5E5
300
#B2D2D2
400
#88BABA
500
#5EA1A1
600
#4B8181
700
#3C6767
800
#2F5151
900
#253C3C
950
#172626

Contrast Checker

Text on white

16.92:1

AA Pass AAA Pass

Text on black

1.24:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026