#3F46AB

#3F46AB

Color Values

HEX

#3F46AB

RGB

63, 70, 171

HSL

236,1, 46,2%, 45,9%

HSV

236,1, 63,2%, 67,1%

CMYK

63,2%, 59,1%, 0,0%, 32,9%

OKLCH

0,4491 0,1592 275,0

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3F46AB

#ABA43F

Analogous

#3F7CAB

#6E3FAB

#3F46AB

Triadic

#3F46AB

#AB3F46

#46AB3F

Split Complementary

#3F46AB

#AB6E3F

#7CAB3F

Tetradic

#3F46AB

#AB3F7C

#ABA43F

#3FAB6E

Color Blindness Simulation

Original

#3F46AB

Protanopia

#424293

Deuteranopia

#42418D

Tritanopia

#3F7F7B

Achromatopsia

#4C4C4C

CSS Usage

background-color: #3F46AB;
color: #3F46AB;
border-color: #3F46AB;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCDEC
300
#A6A9DE
400
#757BCC
500
#454CBA
600
#373D95
700
#2C3177
800
#22265D
900
#1C1F45
950
#12142B

Contrast Checker

Text on white

7,85:1

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