#343070

#343070

Color Values

HEX

#343070

RGB

52, 48, 112

HSL

243.8, 40.0%, 31.4%

HSV

243.8, 57.1%, 43.9%

CMYK

53.6%, 57.1%, 0.0%, 56.1%

OKLCH

0.3509 0.1071 282.2

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#343070

#6C7030

Analogous

#304C70

#543070

#343070

Triadic

#343070

#703430

#307034

Split Complementary

#343070

#705430

#4C7030

Tetradic

#343070

#70304C

#6C7030

#307054

Color Blindness Simulation

Original

#343070

Protanopia

#323261

Deuteranopia

#32335D

Tritanopia

#345452

Achromatopsia

#353535

CSS Usage

background-color: #343070;
color: #343070;
border-color: #343070;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E8E7F3
200
#CFCDEA
300
#ACA9DA
400
#807BC6
500
#534CB2
600
#423D8F
700
#353172
800
#292659
900
#211F42
950
#15142A

Contrast Checker

Text on white

11.65:1

AA Pass AAA Pass

Text on black

1.8:1

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