#182A40

#182A40

Color Values

HEX

#182A40

RGB

24, 42, 64

HSL

213.0, 45.5%, 17.3%

HSV

213.0, 62.5%, 25.1%

CMYK

62.5%, 34.4%, 0.0%, 74.9%

OKLCH

0.2809 0.0473 254.2

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#182A40

#402E18

Analogous

#183E40

#1A1840

#182A40

Triadic

#182A40

#40182A

#2A4018

Split Complementary

#182A40

#401A18

#3E4018

Tetradic

#182A40

#40183E

#402E18

#18401A

Color Blindness Simulation

Original

#182A40

Protanopia

#20203B

Deuteranopia

#1F1D39

Tritanopia

#193636

Achromatopsia

#282828

CSS Usage

background-color: #182A40;
color: #182A40;
border-color: #182A40;
Nearest Tailwind: Slate 800 #1E293B

Tailwind Shades

50
#F4F7FA
100
#E6ECF4
200
#CBDAEC
300
#A6BFDE
400
#769CCC
500
#457ABA
600
#386194
700
#2C4E77
800
#233D5D
900
#1D2E44
950
#121D2B

Contrast Checker

Text on white

14.54:1

AA Pass AAA Pass

Text on black

1.44:1

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