#3F4082

#3F4082

Color Values

HEX

#3F4082

RGB

63, 64, 130

HSL

239.1, 34.7%, 37.8%

HSV

239.1, 51.5%, 51.0%

CMYK

51.5%, 50.8%, 0.0%, 49.0%

OKLCH

0.4061 0.1083 279.8

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#3F4082

#82813F

Analogous

#3F6182

#5F3F82

#3F4082

Triadic

#3F4082

#823F40

#40823F

Split Complementary

#3F4082

#825F3F

#61823F

Tetradic

#3F4082

#823F61

#82813F

#3F825F

Color Blindness Simulation

Original

#3F4082

Protanopia

#3F3F72

Deuteranopia

#3F3F6E

Tritanopia

#3F6563

Achromatopsia

#454545

CSS Usage

background-color: #3F4082;
color: #3F4082;
border-color: #3F4082;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E8F2
200
#CFCFE8
300
#ADADD7
400
#8081C1
500
#5355AC
600
#434489
700
#35366E
800
#2A2A56
900
#212240
950
#151528

Contrast Checker

Text on white

9.26:1

AA Pass AAA Pass

Text on black

2.27:1

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