#2B4558

#2B4558

Color Values

HEX

#2B4558

RGB

43, 69, 88

HSL

205.3, 34.4%, 25.7%

HSV

205.3, 51.1%, 34.5%

CMYK

51.1%, 21.6%, 0.0%, 65.5%

OKLCH

0.378 0.0456 241.2

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#2B4558

#583E2B

Analogous

#2B5855

#2B2F58

#2B4558

Triadic

#2B4558

#582B45

#45582B

Split Complementary

#2B4558

#582B2F

#58552B

Tetradic

#2B4558

#552B58

#583E2B

#2F582B

Color Blindness Simulation

Original

#2B4558

Protanopia

#363653

Deuteranopia

#353352

Tritanopia

#2C504F

Achromatopsia

#414141

CSS Usage

background-color: #2B4558;
color: #2B4558;
border-color: #2B4558;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F8FA
100
#E8EEF2
200
#CFDDE8
300
#ADC5D7
400
#80A6C1
500
#5486AB
600
#436B89
700
#36566E
800
#2A4356
900
#21333F
950
#152028

Contrast Checker

Text on white

10.02:1

AA Pass AAA Pass

Text on black

2.09:1

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