#170C1C

#170C1C

Color Values

HEX

#170C1C

RGB

23, 12, 28

HSL

281.2, 40.0%, 7.8%

HSV

281.2, 57.1%, 11.0%

CMYK

17.9%, 57.1%, 0.0%, 89.0%

OKLCH

0.1782 0.0358 314.7

Properties

Cool Dark Nearest: RAL 5011 Steel Blue

Color Harmonies

Complementary

#170C1C

#111C0C

Analogous

#0F0C1C

#1C0C19

#170C1C

Triadic

#170C1C

#1C170C

#0C1C17

Split Complementary

#170C1C

#191C0C

#0C1C0F

Tetradic

#170C1C

#1C0F0C

#111C0C

#0C191C

Color Blindness Simulation

Original

#170C1C

Protanopia

#121218

Deuteranopia

#131417

Tritanopia

#161514

Achromatopsia

#0F0F0F

CSS Usage

background-color: #170C1C;
color: #170C1C;
border-color: #170C1C;
Nearest Tailwind: Slate 950 #020617

Tailwind Shades

50
#F8F5FA
100
#EFE7F3
200
#E1CDEA
300
#CBA9DA
400
#AF7BC6
500
#934CB2
600
#753D8F
700
#5E3172
800
#492659
900
#371F42
950
#23142A

Contrast Checker

Text on white

18.99:1

AA Pass AAA Pass

Text on black

1.11:1

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