#2B4459

#2B4459

Color Values

HEX

#2B4459

RGB

43, 68, 89

HSL

207.4, 34.8%, 25.9%

HSV

207.4, 51.7%, 34.9%

CMYK

51.7%, 23.6%, 0.0%, 65.1%

OKLCH

0.3759 0.0476 244.9

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#2B4459

#59402B

Analogous

#2B5957

#2B2D59

#2B4459

Triadic

#2B4459

#592B44

#44592B

Split Complementary

#2B4459

#592B2D

#59572B

Tetradic

#2B4459

#572B59

#59402B

#2D592B

Color Blindness Simulation

Original

#2B4459

Protanopia

#363654

Deuteranopia

#343253

Tritanopia

#2C504F

Achromatopsia

#404040

CSS Usage

background-color: #2B4459;
color: #2B4459;
border-color: #2B4459;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E8EEF2
200
#CFDCE8
300
#ADC4D7
400
#80A3C1
500
#5383AC
600
#436989
700
#35546E
800
#2A4256
900
#213240
950
#151F28

Contrast Checker

Text on white

10.13:1

AA Pass AAA Pass

Text on black

2.07:1

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