#171A2F

#171A2F

Color Values

HEX

#171A2F

RGB

23, 26, 47

HSL

232.5, 34.3%, 13.7%

HSV

232.5, 51.1%, 18.4%

CMYK

51.1%, 44.7%, 0.0%, 81.6%

OKLCH

0.2262 0.041 276.4

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#171A2F

#2F2C17

Analogous

#17262F

#20172F

#171A2F

Triadic

#171A2F

#2F171A

#1A2F17

Split Complementary

#171A2F

#2F2017

#262F17

Tetradic

#171A2F

#2F1726

#2F2C17

#172F20

Color Blindness Simulation

Original

#171A2F

Protanopia

#18182A

Deuteranopia

#181829

Tritanopia

#172625

Achromatopsia

#1B1B1B

CSS Usage

background-color: #171A2F;
color: #171A2F;
border-color: #171A2F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F6FA
100
#E8E9F2
200
#CFD2E8
300
#ADB2D7
400
#8088C1
500
#545FAB
600
#434C89
700
#363D6E
800
#2A2F56
900
#21253F
950
#151828

Contrast Checker

Text on white

17.14:1

AA Pass AAA Pass

Text on black

1.23:1

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