#180F28

#180F28

Color Values

HEX

#180F28

RGB

24, 15, 40

HSL

261.6, 45.5%, 10.8%

HSV

261.6, 62.5%, 15.7%

CMYK

40.0%, 62.5%, 0.0%, 84.3%

OKLCH

0.1951 0.0496 298.3

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#180F28

#1F280F

Analogous

#0F1328

#250F28

#180F28

Triadic

#180F28

#28180F

#0F2818

Split Complementary

#180F28

#28250F

#13280F

Tetradic

#180F28

#280F13

#1F280F

#0F2825

Color Blindness Simulation

Original

#180F28

Protanopia

#141422

Deuteranopia

#151520

Tritanopia

#181D1C

Achromatopsia

#131313

CSS Usage

background-color: #180F28;
color: #180F28;
border-color: #180F28;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F7F4FA
100
#EBE6F4
200
#D7CBEC
300
#BAA6DE
400
#9576CC
500
#6F45BA
600
#593894
700
#472C77
800
#38235D
900
#2B1D44
950
#1B122B

Contrast Checker

Text on white

18.46:1

AA Pass AAA Pass

Text on black

1.14:1

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