#3F4671

#3F4671

Color Values

HEX

#3F4671

RGB

63, 70, 113

HSL

231.6, 28.4%, 34.5%

HSV

231.6, 44.2%, 44.3%

CMYK

44.2%, 38.1%, 0.0%, 55.7%

OKLCH

0.4082 0.0726 275.7

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4671

#716A3F

Analogous

#3F5F71

#513F71

#3F4671

Triadic

#3F4671

#713F46

#46713F

Split Complementary

#3F4671

#71513F

#5F713F

Tetradic

#3F4671

#713F5F

#716A3F

#3F7151

Color Blindness Simulation

Original

#3F4671

Protanopia

#424267

Deuteranopia

#424164

Tritanopia

#3F5E5D

Achromatopsia

#484848

CSS Usage

background-color: #3F4671;
color: #3F4671;
border-color: #3F4671;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F6F6F9
100
#E9EAF1
200
#D1D4E5
300
#B0B5D3
400
#868DBB
500
#5B65A4
600
#495183
700
#3A4169
800
#2E3352
900
#24283D
950
#171926

Contrast Checker

Text on white

9.03:1

AA Pass AAA Pass

Text on black

2.33:1

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