#18174B

#18174B

Color Values

HEX

#18174B

RGB

24, 23, 75

HSL

241.2, 53.1%, 19.2%

HSV

241.2, 69.3%, 29.4%

CMYK

68.0%, 69.3%, 0.0%, 70.6%

OKLCH

0.2438 0.0935 277.8

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#18174B

#4A4B17

Analogous

#17304B

#32174B

#18174B

Triadic

#18174B

#4B1817

#174B18

Split Complementary

#18174B

#4B3217

#304B17

Tetradic

#18174B

#4B1730

#4A4B17

#174B32

Color Blindness Simulation

Original

#18174B

Protanopia

#18183E

Deuteranopia

#18183B

Tritanopia

#183432

Achromatopsia

#1B1B1B

CSS Usage

background-color: #18174B;
color: #18174B;
border-color: #18174B;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F4F4FB
100
#E5E5F5
200
#C9C8EE
300
#A3A1E2
400
#716FD3
500
#3F3CC3
600
#32309C
700
#28267D
800
#1F1E62
900
#1A1948
950
#11102D

Contrast Checker

Text on white

16.63:1

AA Pass AAA Pass

Text on black

1.26:1

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