#2B4357

#2B4357

Color Values

HEX

#2B4357

RGB

43, 67, 87

HSL

207.3, 33.8%, 25.5%

HSV

207.3, 50.6%, 34.1%

CMYK

50.6%, 23.0%, 0.0%, 65.9%

OKLCH

0.3723 0.0456 244.6

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#2B4357

#573F2B

Analogous

#2B5755

#2B2D57

#2B4357

Triadic

#2B4357

#572B43

#43572B

Split Complementary

#2B4357

#572B2D

#57552B

Tetradic

#2B4357

#552B57

#573F2B

#2D572B

Color Blindness Simulation

Original

#2B4357

Protanopia

#353652

Deuteranopia

#343251

Tritanopia

#2C4E4E

Achromatopsia

#3F3F3F

CSS Usage

background-color: #2B4357;
color: #2B4357;
border-color: #2B4357;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E8EEF2
200
#CFDCE7
300
#ADC4D6
400
#81A4C1
500
#5483AB
600
#446988
700
#36546D
800
#2A4255
900
#22323F
950
#151F28

Contrast Checker

Text on white

10.28:1

AA Pass AAA Pass

Text on black

2.04:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026