#3F48A6

#3F48A6

Color Values

HEX

#3F48A6

RGB

63, 72, 166

HSL

234.8, 45.0%, 44.9%

HSV

234.8, 62.0%, 65.1%

CMYK

62.0%, 56.6%, 0.0%, 34.9%

OKLCH

0.449 0.1497 274.5

Properties

Cool Dark Nearest: NCS S 1050-R90B Blue Violet

Color Harmonies

Complementary

#3F48A6

#A69D3F

Analogous

#3F7BA6

#6A3FA6

#3F48A6

Triadic

#3F48A6

#A63F48

#48A63F

Split Complementary

#3F48A6

#A66A3F

#7BA63F

Tetradic

#3F48A6

#A63F7B

#A69D3F

#3FA66A

Color Blindness Simulation

Original

#3F48A6

Protanopia

#43438F

Deuteranopia

#42428A

Tritanopia

#3F7D79

Achromatopsia

#4D4D4D

CSS Usage

background-color: #3F48A6;
color: #3F48A6;
border-color: #3F48A6;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E8F4
200
#CBCEEB
300
#A6ABDD
400
#767ECB
500
#4650B9
600
#384094
700
#2D3376
800
#23285C
900
#1D2044
950
#12142B

Contrast Checker

Text on white

7.81:1

AA Pass AAA Pass

Text on black

2.69:1

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