#171F2C

#171F2C

Color Values

HEX

#171F2C

RGB

23, 31, 44

HSL

217.1, 31.3%, 13.1%

HSV

217.1, 47.7%, 17.3%

CMYK

47.7%, 29.5%, 0.0%, 82.7%

OKLCH

0.2379 0.0278 259.9

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#171F2C

#2C2417

Analogous

#17292C

#19172C

#171F2C

Triadic

#171F2C

#2C171F

#1F2C17

Split Complementary

#171F2C

#2C1917

#292C17

Tetradic

#171F2C

#2C1729

#2C2417

#172C19

Color Blindness Simulation

Original

#171F2C

Protanopia

#1A1B29

Deuteranopia

#1A1928

Tritanopia

#172626

Achromatopsia

#1E1E1E

CSS Usage

background-color: #171F2C;
color: #171F2C;
border-color: #171F2C;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F5F7F9
100
#E8ECF2
200
#D0D9E6
300
#AFBDD5
400
#839ABE
500
#5876A7
600
#465E86
700
#384C6B
800
#2C3B54
900
#232D3E
950
#161D27

Contrast Checker

Text on white

16.55:1

AA Pass AAA Pass

Text on black

1.27:1

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