#181825

#181825

Color Values

HEX

#181825

RGB

24, 24, 37

HSL

240.0, 21.3%, 12.0%

HSV

240.0, 35.1%, 14.5%

CMYK

35.1%, 35.1%, 0.0%, 85.5%

OKLCH

0.2155 0.0254 284.1

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#181825

#252518

Analogous

#181F25

#1F1825

#181825

Triadic

#181825

#251818

#182518

Split Complementary

#181825

#251F18

#1F2518

Tetradic

#181825

#25181F

#252518

#18251F

Color Blindness Simulation

Original

#181825

Protanopia

#181822

Deuteranopia

#181821

Tritanopia

#181F1F

Achromatopsia

#191919

CSS Usage

background-color: #181825;
color: #181825;
border-color: #181825;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D4D4E3
300
#B5B5CF
400
#8D8DB5
500
#64649B
600
#50507C
700
#404063
800
#32324D
900
#27273A
950
#191924

Contrast Checker

Text on white

17.56:1

AA Pass AAA Pass

Text on black

1.2:1

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