#343987

#343987

Color Values

HEX

#343987

RGB

52, 57, 135

HSL

236.4, 44.4%, 36.7%

HSV

236.4, 61.5%, 52.9%

CMYK

61.5%, 57.8%, 0.0%, 47.1%

OKLCH

0.3872 0.1283 275.9

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#343987

#878234

Analogous

#346387

#593487

#343987

Triadic

#343987

#873439

#398734

Split Complementary

#343987

#875934

#638734

Tetradic

#343987

#873463

#878234

#348759

Color Blindness Simulation

Original

#343987

Protanopia

#363674

Deuteranopia

#363670

Tritanopia

#346562

Achromatopsia

#3E3E3E

CSS Usage

background-color: #343987;
color: #343987;
border-color: #343987;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F4F5FA
100
#E6E7F4
200
#CBCDEB
300
#A7AADD
400
#777CCB
500
#474EB8
600
#393E93
700
#2D3276
800
#23275C
900
#1D1F44
950
#12142B

Contrast Checker

Text on white

10.09:1

AA Pass AAA Pass

Text on black

2.08:1

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