#3F3A50

#3F3A50

Color Values

HEX

#3F3A50

RGB

63, 58, 80

HSL

253.6, 15.9%, 27.1%

HSV

253.6, 27.5%, 31.4%

CMYK

21.2%, 27.5%, 0.0%, 68.6%

OKLCH

0.3628 0.038 294.9

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F3A50

#4B503A

Analogous

#3A4050

#4A3A50

#3F3A50

Triadic

#3F3A50

#503F3A

#3A503F

Split Complementary

#3F3A50

#504A3A

#40503A

Tetradic

#3F3A50

#503A40

#4B503A

#3A504A

Color Blindness Simulation

Original

#3F3A50

Protanopia

#3D3D4B

Deuteranopia

#3D3D49

Tritanopia

#3F4646

Achromatopsia

#3D3D3D

CSS Usage

background-color: #3F3A50;
color: #3F3A50;
border-color: #3F3A50;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F7F6F8
100
#ECEBF0
200
#D8D6E1
300
#BCB8CC
400
#9892B0
500
#746B94
600
#5D5676
700
#4B455F
800
#3A364A
900
#2D2A37
950
#1C1A23

Contrast Checker

Text on white

10.87:1

AA Pass AAA Pass

Text on black

1.93:1

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