#12192B

#12192B

Color Values

HEX

#12192B

RGB

18, 25, 43

HSL

223.2, 41.0%, 12.0%

HSV

223.2, 58.1%, 16.9%

CMYK

58.1%, 41.9%, 0.0%, 83.1%

OKLCH

0.2164 0.0371 267.1

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#12192B

#2B2412

Analogous

#12262B

#18122B

#12192B

Triadic

#12192B

#2B1219

#192B12

Split Complementary

#12192B

#2B1812

#262B12

Tetradic

#12192B

#2B1226

#2B2412

#122B18

Color Blindness Simulation

Original

#12192B

Protanopia

#151527

Deuteranopia

#151426

Tritanopia

#122322

Achromatopsia

#191919

CSS Usage

background-color: #12192B;
color: #12192B;
border-color: #12192B;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F6FA
100
#E7EAF3
200
#CDD5EA
300
#A9B7DB
400
#7A90C7
500
#4B68B4
600
#3C5490
700
#304373
800
#26345A
900
#1F2942
950
#131A2A

Contrast Checker

Text on white

17.51:1

AA Pass AAA Pass

Text on black

1.2:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026