#182B37

#182B37

Color Values

HEX

#182B37

RGB

24, 43, 55

HSL

203.2, 39.2%, 15.5%

HSV

203.2, 56.4%, 21.6%

CMYK

56.4%, 21.8%, 0.0%, 78.4%

OKLCH

0.2785 0.0333 237.4

Properties

Cool Dark Nearest: RAL 5001 Green Blue

Color Harmonies

Complementary

#182B37

#372418

Analogous

#183734

#181C37

#182B37

Triadic

#182B37

#37182B

#2B3718

Split Complementary

#182B37

#37181C

#373418

Tetradic

#182B37

#341837

#372418

#1C3718

Color Blindness Simulation

Original

#182B37

Protanopia

#202034

Deuteranopia

#1F1E33

Tritanopia

#193231

Achromatopsia

#282828

CSS Usage

background-color: #182B37;
color: #182B37;
border-color: #182B37;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F5F8FA
100
#E7EEF3
200
#CDDEE9
300
#AAC7DA
400
#7CA9C6
500
#4E8BB1
600
#3E6F8E
700
#325972
800
#274559
900
#1F3442
950
#142129

Contrast Checker

Text on white

14.59:1

AA Pass AAA Pass

Text on black

1.44:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026