#243B39

#243B39

Color Values

HEX

#243B39

RGB

36, 59, 57

HSL

174.8, 24.2%, 18.6%

HSV

174.8, 39.0%, 23.1%

CMYK

39.0%, 0.0%, 3.4%, 76.9%

OKLCH

0.3326 0.0291 188.9

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#243B39

#3B2426

Analogous

#243B2D

#24313B

#243B39

Triadic

#243B39

#39243B

#3B3924

Split Complementary

#243B39

#3B2431

#3B2D24

Tetradic

#243B39

#2D243B

#3B2426

#313B24

Color Blindness Simulation

Original

#243B39

Protanopia

#2E2E39

Deuteranopia

#2D2B3A

Tritanopia

#253A3A

Achromatopsia

#363636

CSS Usage

background-color: #243B39;
color: #243B39;
border-color: #243B39;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F6F9F9
100
#E9F1F0
200
#D3E4E2
300
#B3D1CE
400
#8AB7B4
500
#619E99
600
#4D7F7A
700
#3E6562
800
#304F4D
900
#263B39
950
#182524

Contrast Checker

Text on white

11.93:1

AA Pass AAA Pass

Text on black

1.76:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026