#17121C

#17121C

Color Values

HEX

#17121C

RGB

23, 18, 28

HSL

270.0, 21.7%, 9.0%

HSV

270.0, 35.7%, 11.0%

CMYK

17.9%, 35.7%, 0.0%, 89.0%

OKLCH

0.1932 0.0212 307.2

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Harmonies

Complementary

#17121C

#171C12

Analogous

#12121C

#1C121C

#17121C

Triadic

#17121C

#1C1712

#121C17

Split Complementary

#17121C

#1C1C12

#121C12

Tetradic

#17121C

#1C1212

#171C12

#121C1C

Color Blindness Simulation

Original

#17121C

Protanopia

#15151A

Deuteranopia

#151519

Tritanopia

#171817

Achromatopsia

#141414

CSS Usage

background-color: #17121C;
color: #17121C;
border-color: #17121C;
Nearest Tailwind: Zinc 900 #18181B

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DBD4E3
300
#C2B5CF
400
#A18CB5
500
#80649B
600
#66507C
700
#524063
800
#40324E
900
#30273A
950
#1F1925

Contrast Checker

Text on white

18.43:1

AA Pass AAA Pass

Text on black

1.14:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026