#3F4853

#3F4853

Color Values

HEX

#3F4853

RGB

63, 72, 83

HSL

213.0, 13.7%, 28.6%

HSV

213.0, 24.1%, 32.5%

CMYK

24.1%, 13.3%, 0.0%, 67.5%

OKLCH

0.3979 0.022 253.5

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F4853

#534A3F

Analogous

#3F5253

#403F53

#3F4853

Triadic

#3F4853

#533F48

#48533F

Split Complementary

#3F4853

#53403F

#52533F

Tetradic

#3F4853

#533F52

#534A3F

#3F5340

Color Blindness Simulation

Original

#3F4853

Protanopia

#434350

Deuteranopia

#424250

Tritanopia

#3F4E4E

Achromatopsia

#474747

CSS Usage

background-color: #3F4853;
color: #3F4853;
border-color: #3F4853;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F8
100
#EBEDEF
200
#D6DBE0
300
#B9C1CA
400
#949FAE
500
#6E7E91
600
#586574
700
#46505D
800
#373F48
900
#2A3036
950
#1B1E22

Contrast Checker

Text on white

9.28:1

AA Pass AAA Pass

Text on black

2.26:1

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