#243C3B

#243C3B

Color Values

HEX

#243C3B

RGB

36, 60, 59

HSL

177.5, 25.0%, 18.8%

HSV

177.5, 40.0%, 23.5%

CMYK

40.0%, 0.0%, 1.7%, 76.5%

OKLCH

0.3362 0.03 192.5

Properties

Cool Dark Nearest: RAL 6004 Blue Green

Color Harmonies

Complementary

#243C3B

#3C2425

Analogous

#243C2F

#24313C

#243C3B

Triadic

#243C3B

#3B243C

#3C3B24

Split Complementary

#243C3B

#3C2431

#3C2F24

Tetradic

#243C3B

#2F243C

#3C2425

#313C24

Color Blindness Simulation

Original

#243C3B

Protanopia

#2E2F3B

Deuteranopia

#2D2B3B

Tritanopia

#253B3B

Achromatopsia

#373737

CSS Usage

background-color: #243C3B;
color: #243C3B;
border-color: #243C3B;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F6F9F9
100
#E9F1F1
200
#D2E4E3
300
#B2D1D0
400
#89B8B6
500
#609F9D
600
#4D807D
700
#3D6664
800
#30504E
900
#263B3A
950
#182525

Contrast Checker

Text on white

11.77:1

AA Pass AAA Pass

Text on black

1.78:1

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