#343279

#343279

Color Values

HEX

#343279

RGB

52, 50, 121

HSL

241.7, 41.5%, 33.5%

HSV

241.7, 58.7%, 47.5%

CMYK

57.0%, 58.7%, 0.0%, 52.5%

OKLCH

0.362 0.1176 280.0

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#343279

#777932

Analogous

#325379

#573279

#343279

Triadic

#343279

#793432

#327934

Split Complementary

#343279

#795732

#537932

Tetradic

#343279

#793253

#777932

#327957

Color Blindness Simulation

Original

#343279

Protanopia

#333368

Deuteranopia

#333364

Tritanopia

#345A57

Achromatopsia

#383838

CSS Usage

background-color: #343279;
color: #343279;
border-color: #343279;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCCEA
300
#AAA8DB
400
#7C79C8
500
#4E4BB4
600
#3E3C90
700
#323073
800
#27255A
900
#1F1E43
950
#14132A

Contrast Checker

Text on white

11.18:1

AA Pass AAA Pass

Text on black

1.88:1

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