#3F334A

#3F334A

Color Values

HEX

#3F334A

RGB

63, 51, 74

HSL

271.3, 18.4%, 24.5%

HSV

271.3, 31.1%, 29.0%

CMYK

14.9%, 31.1%, 0.0%, 71.0%

OKLCH

0.3438 0.0423 308.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#3F334A

#3E4A33

Analogous

#33334A

#4A3349

#3F334A

Triadic

#3F334A

#4A3F33

#334A3F

Split Complementary

#3F334A

#494A33

#334A33

Tetradic

#3F334A

#4A3333

#3E4A33

#33494A

Color Blindness Simulation

Original

#3F334A

Protanopia

#3A3A44

Deuteranopia

#3A3B43

Tritanopia

#3E403F

Achromatopsia

#373737

CSS Usage

background-color: #3F334A;
color: #3F334A;
border-color: #3F334A;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DCD5E2
300
#C2B7CD
400
#A18FB2
500
#816897
600
#675379
700
#524361
800
#40344B
900
#312838
950
#1F1A24

Contrast Checker

Text on white

11.77:1

AA Pass AAA Pass

Text on black

1.78:1

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