#3F5468

#3F5468

Color Values

HEX

#3F5468

RGB

63, 84, 104

HSL

209.3, 24.6%, 32.7%

HSV

209.3, 39.4%, 40.8%

CMYK

39.4%, 19.2%, 0.0%, 59.2%

OKLCH

0.4368 0.0421 247.6

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F5468

#68533F

Analogous

#3F6867

#3F3F68

#3F5468

Triadic

#3F5468

#683F54

#54683F

Split Complementary

#3F5468

#683F3F

#68673F

Tetradic

#3F5468

#673F68

#68533F

#3F683F

Color Blindness Simulation

Original

#3F5468

Protanopia

#484863

Deuteranopia

#474562

Tritanopia

#405F5E

Achromatopsia

#515151

CSS Usage

background-color: #3F5468;
color: #3F5468;
border-color: #3F5468;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D3DCE4
300
#B3C2D1
400
#89A1B8
500
#60809F
600
#4D677F
700
#3E5266
800
#30404F
900
#26313B
950
#181F25

Contrast Checker

Text on white

7.84:1

AA Pass AAA Pass

Text on black

2.68:1

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