#3F3A65

#3F3A65

Color Values

HEX

#3F3A65

RGB

63, 58, 101

HSL

247.0, 27.0%, 31.2%

HSV

247.0, 42.6%, 39.6%

CMYK

37.6%, 42.6%, 0.0%, 60.4%

OKLCH

0.3743 0.0725 287.7

Properties

Cool Dark Nearest: RAL 5022 Night Blue

Color Harmonies

Complementary

#3F3A65

#60653A

Analogous

#3A4B65

#553A65

#3F3A65

Triadic

#3F3A65

#653F3A

#3A653F

Split Complementary

#3F3A65

#65553A

#4B653A

Tetradic

#3F3A65

#653A4B

#60653A

#3A6555

Color Blindness Simulation

Original

#3F3A65

Protanopia

#3D3D5B

Deuteranopia

#3D3D58

Tritanopia

#3F5251

Achromatopsia

#3E3E3E

CSS Usage

background-color: #3F3A65;
color: #3F3A65;
border-color: #3F3A65;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F6F6F9
100
#EAE9F1
200
#D4D2E5
300
#B5B1D2
400
#8D87BA
500
#655DA2
600
#514A82
700
#413C68
800
#332F51
900
#27253C
950
#191726

Contrast Checker

Text on white

10.48:1

AA Pass AAA Pass

Text on black

2.0:1

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