#3F3F5B

#3F3F5B

Color Values

HEX

#3F3F5B

RGB

63, 63, 91

HSL

240.0, 18.2%, 30.2%

HSV

240.0, 30.8%, 35.7%

CMYK

30.8%, 30.8%, 0.0%, 64.3%

OKLCH

0.3799 0.0475 283.9

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F3F5B

#5B5B3F

Analogous

#3F4D5B

#4D3F5B

#3F3F5B

Triadic

#3F3F5B

#5B3F3F

#3F5B3F

Split Complementary

#3F3F5B

#5B4D3F

#4D5B3F

Tetradic

#3F3F5B

#5B3F4D

#5B5B3F

#3F5B4D

Color Blindness Simulation

Original

#3F3F5B

Protanopia

#3F3F54

Deuteranopia

#3F3F53

Tritanopia

#3F4F4E

Achromatopsia

#414141

CSS Usage

background-color: #3F3F5B;
color: #3F3F5B;
border-color: #3F3F5B;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D5D5E2
300
#B7B7CD
400
#8F8FB2
500
#686897
600
#535379
700
#434360
800
#34344B
900
#292938
950
#1A1A24

Contrast Checker

Text on white

10.13:1

AA Pass AAA Pass

Text on black

2.07:1

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