#343AB1

#343AB1

Color Values

HEX

#343AB1

RGB

52, 58, 177

HSL

237.1, 54.6%, 44.9%

HSV

237.1, 70.6%, 69.4%

CMYK

70.6%, 67.2%, 0.0%, 30.6%

OKLCH

0.426 0.1848 273.2

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#343AB1

#B1AB34

Analogous

#3479B1

#6C34B1

#343AB1

Triadic

#343AB1

#B1343A

#3AB134

Split Complementary

#343AB1

#B16C34

#79B134

Tetradic

#343AB1

#B13479

#B1AB34

#34B16C

Color Blindness Simulation

Original

#343AB1

Protanopia

#373794

Deuteranopia

#36368D

Tritanopia

#347D78

Achromatopsia

#414141

CSS Usage

background-color: #343AB1;
color: #343AB1;
border-color: #343AB1;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E5E6F5
200
#C8CAEF
300
#A0A4E3
400
#6D72D4
500
#3A41C5
600
#2E349E
700
#25297E
800
#1D2063
900
#191B48
950
#10112E

Contrast Checker

Text on white

8.8:1

AA Pass AAA Pass

Text on black

2.39:1

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