#2F4258

#2F4258

Color Values

HEX

#2F4258

RGB

47, 66, 88

HSL

212.2, 30.4%, 26.5%

HSV

212.2, 46.6%, 34.5%

CMYK

46.6%, 25.0%, 0.0%, 65.5%

OKLCH

0.3728 0.0451 252.6

Properties

Cool Dark Nearest: RAL 5020 Ocean Blue

Color Harmonies

Complementary

#2F4258

#58452F

Analogous

#2F5758

#312F58

#2F4258

Triadic

#2F4258

#582F42

#42582F

Split Complementary

#2F4258

#58312F

#57582F

Tetradic

#2F4258

#582F57

#58452F

#2F5831

Color Blindness Simulation

Original

#2F4258

Protanopia

#373753

Deuteranopia

#363551

Tritanopia

#304E4E

Achromatopsia

#404040

CSS Usage

background-color: #2F4258;
color: #2F4258;
border-color: #2F4258;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F5F7F9
100
#E9EDF2
200
#D0DBE6
300
#AFC0D4
400
#849FBD
500
#597DA6
600
#476485
700
#39506A
800
#2C3E53
900
#232F3E
950
#161E27

Contrast Checker

Text on white

10.29:1

AA Pass AAA Pass

Text on black

2.04:1

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