#3F384A

#3F384A

Color Values

HEX

#3F384A

RGB

63, 56, 74

HSL

263.3, 13.8%, 25.5%

HSV

263.3, 24.3%, 29.0%

CMYK

14.9%, 24.3%, 0.0%, 71.0%

OKLCH

0.3553 0.032 302.5

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F384A

#434A38

Analogous

#383A4A

#48384A

#3F384A

Triadic

#3F384A

#4A3F38

#384A3F

Split Complementary

#3F384A

#4A4838

#3A4A38

Tetradic

#3F384A

#4A383A

#434A38

#384A48

Color Blindness Simulation

Original

#3F384A

Protanopia

#3C3C46

Deuteranopia

#3C3D45

Tritanopia

#3F4241

Achromatopsia

#3B3B3B

CSS Usage

background-color: #3F384A;
color: #3F384A;
border-color: #3F384A;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F7F6F8
100
#EDEBEF
200
#DAD6E0
300
#C0B9CA
400
#9E94AE
500
#7C6E91
600
#635874
700
#4F465D
800
#3E3749
900
#2F2A36
950
#1E1B22

Contrast Checker

Text on white

11.19:1

AA Pass AAA Pass

Text on black

1.88:1

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