#3F4A70

#3F4A70

Color Values

HEX

#3F4A70

RGB

63, 74, 112

HSL

226.5, 28.0%, 34.3%

HSV

226.5, 43.7%, 43.9%

CMYK

43.7%, 33.9%, 0.0%, 56.1%

OKLCH

0.4168 0.0653 271.0

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4A70

#70653F

Analogous

#3F6270

#4C3F70

#3F4A70

Triadic

#3F4A70

#703F4A

#4A703F

Split Complementary

#3F4A70

#704C3F

#62703F

Tetradic

#3F4A70

#703F62

#70653F

#3F704C

Color Blindness Simulation

Original

#3F4A70

Protanopia

#444467

Deuteranopia

#434265

Tritanopia

#40605E

Achromatopsia

#4A4A4A

CSS Usage

background-color: #3F4A70;
color: #3F4A70;
border-color: #3F4A70;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F6F6F9
100
#E9EBF1
200
#D1D6E5
300
#B1B8D3
400
#8692BB
500
#5C6CA3
600
#495683
700
#3B4568
800
#2E3652
900
#242A3D
950
#171A26

Contrast Checker

Text on white

8.66:1

AA Pass AAA Pass

Text on black

2.42:1

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