#3F3E71

#3F3E71

Color Values

HEX

#3F3E71

RGB

63, 62, 113

HSL

241.2, 29.1%, 34.3%

HSV

241.2, 45.1%, 44.3%

CMYK

44.2%, 45.1%, 0.0%, 55.7%

OKLCH

0.3904 0.085 282.6

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#3F3E71

#70713E

Analogous

#3E5671

#583E71

#3F3E71

Triadic

#3F3E71

#713F3E

#3E713F

Split Complementary

#3F3E71

#71583E

#56713E

Tetradic

#3F3E71

#713E56

#70713E

#3E7158

Color Blindness Simulation

Original

#3F3E71

Protanopia

#3F3F65

Deuteranopia

#3F3F62

Tritanopia

#3F5B59

Achromatopsia

#424242

CSS Usage

background-color: #3F3E71;
color: #3F3E71;
border-color: #3F3E71;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F6F5F9
100
#E9E9F2
200
#D1D1E6
300
#B1B0D4
400
#8685BC
500
#5C5AA5
600
#4A4884
700
#3B3A69
800
#2E2D52
900
#24243D
950
#171727

Contrast Checker

Text on white

9.82:1

AA Pass AAA Pass

Text on black

2.14:1

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