#3F3147

#3F3147

Color Values

HEX

#3F3147

RGB

63, 49, 71

HSL

278.2, 18.3%, 23.5%

HSV

278.2, 31.0%, 27.8%

CMYK

11.3%, 31.0%, 0.0%, 72.2%

OKLCH

0.3379 0.042 313.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#3F3147

#394731

Analogous

#343147

#473144

#3F3147

Triadic

#3F3147

#473F31

#31473F

Split Complementary

#3F3147

#444731

#314734

Tetradic

#3F3147

#473431

#394731

#314447

Color Blindness Simulation

Original

#3F3147

Protanopia

#393942

Deuteranopia

#3A3B40

Tritanopia

#3E3D3D

Achromatopsia

#363636

CSS Usage

background-color: #3F3147;
color: #3F3147;
border-color: #3F3147;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F8F6F9
100
#EEEAF0
200
#DDD5E2
300
#C5B7CD
400
#A58FB2
500
#866897
600
#6B5379
700
#564361
800
#43344B
900
#332838
950
#201A24

Contrast Checker

Text on white

12.06:1

AA Pass AAA Pass

Text on black

1.74:1

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