#182840

#182840

Color Values

HEX

#182840

RGB

24, 40, 64

HSL

216.0, 45.5%, 17.3%

HSV

216.0, 62.5%, 25.1%

CMYK

62.5%, 37.5%, 0.0%, 74.9%

OKLCH

0.2755 0.0498 258.3

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#182840

#403018

Analogous

#183C40

#1C1840

#182840

Triadic

#182840

#401828

#284018

Split Complementary

#182840

#401C18

#3C4018

Tetradic

#182840

#40183C

#403018

#18401C

Color Blindness Simulation

Original

#182840

Protanopia

#1F1F3A

Deuteranopia

#1E1D39

Tritanopia

#193635

Achromatopsia

#262626

CSS Usage

background-color: #182840;
color: #182840;
border-color: #182840;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CBD8EC
300
#A6BCDE
400
#7698CC
500
#4574BA
600
#385D94
700
#2C4A77
800
#233A5D
900
#1D2C44
950
#121C2B

Contrast Checker

Text on white

14.83:1

AA Pass AAA Pass

Text on black

1.42:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026