#3F3777

#3F3777

Color Values

HEX

#3F3777

RGB

63, 55, 119

HSL

247.5, 36.8%, 34.1%

HSV

247.5, 53.8%, 46.7%

CMYK

47.1%, 53.8%, 0.0%, 53.3%

OKLCH

0.38 0.1055 285.9

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#3F3777

#6F7737

Analogous

#374F77

#5F3777

#3F3777

Triadic

#3F3777

#773F37

#37773F

Split Complementary

#3F3777

#775F37

#4F7737

Tetradic

#3F3777

#77374F

#6F7737

#37775F

Color Blindness Simulation

Original

#3F3777

Protanopia

#3C3B68

Deuteranopia

#3C3D64

Tritanopia

#3F5B59

Achromatopsia

#3D3D3D

CSS Usage

background-color: #3F3777;
color: #3F3777;
border-color: #3F3777;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F6F5FA
100
#E9E8F3
200
#D1CEE8
300
#B1ABD8
400
#877EC3
500
#5C51AE
600
#4A408C
700
#3B3470
800
#2E2857
900
#242040
950
#171429

Contrast Checker

Text on white

10.37:1

AA Pass AAA Pass

Text on black

2.02:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026