#171D2C

#171D2C

Color Values

HEX

#171D2C

RGB

23, 29, 44

HSL

222.9, 31.3%, 13.1%

HSV

222.9, 47.7%, 17.3%

CMYK

47.7%, 34.1%, 0.0%, 82.7%

OKLCH

0.2323 0.0305 267.3

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#171D2C

#2C2617

Analogous

#17272C

#1B172C

#171D2C

Triadic

#171D2C

#2C171D

#1D2C17

Split Complementary

#171D2C

#2C1B17

#272C17

Tetradic

#171D2C

#2C1727

#2C2617

#172C1B

Color Blindness Simulation

Original

#171D2C

Protanopia

#1A1A28

Deuteranopia

#191928

Tritanopia

#172625

Achromatopsia

#1D1D1D

CSS Usage

background-color: #171D2C;
color: #171D2C;
border-color: #171D2C;
Nearest Tailwind: Gray 900 #111827

Tailwind Shades

50
#F5F6F9
100
#E8EBF2
200
#D0D6E6
300
#AFBAD5
400
#8394BE
500
#586EA7
600
#465886
700
#38476B
800
#2C3754
900
#232B3E
950
#161B27

Contrast Checker

Text on white

16.82:1

AA Pass AAA Pass

Text on black

1.25:1

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