#3F5071

#3F5071

Color Values

HEX

#3F5071

RGB

63, 80, 113

HSL

219.6, 28.4%, 34.5%

HSV

219.6, 44.2%, 44.3%

CMYK

44.2%, 29.2%, 0.0%, 55.7%

OKLCH

0.4315 0.0591 263.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F5071

#71603F

Analogous

#3F6971

#473F71

#3F5071

Triadic

#3F5071

#713F50

#50713F

Split Complementary

#3F5071

#71473F

#69713F

Tetradic

#3F5071

#713F69

#71603F

#3F7147

Color Blindness Simulation

Original

#3F5071

Protanopia

#464769

Deuteranopia

#454467

Tritanopia

#406361

Achromatopsia

#4F4F4F

CSS Usage

background-color: #3F5071;
color: #3F5071;
border-color: #3F5071;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9ECF1
200
#D1D8E5
300
#B0BCD3
400
#8698BB
500
#5B74A4
600
#495D83
700
#3A4A69
800
#2E3A52
900
#242C3D
950
#171C26

Contrast Checker

Text on white

8.09:1

AA Pass AAA Pass

Text on black

2.6:1

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