#343773

#343773

Color Values

HEX

#343773

RGB

52, 55, 115

HSL

237.1, 37.7%, 32.7%

HSV

237.1, 54.8%, 45.1%

CMYK

54.8%, 52.2%, 0.0%, 54.9%

OKLCH

0.3676 0.1011 278.0

Properties

Cool Dark Nearest: RAL 5005 Signal Blue

Color Harmonies

Complementary

#343773

#737034

Analogous

#345673

#503473

#343773

Triadic

#343773

#733437

#377334

Split Complementary

#343773

#735034

#567334

Tetradic

#343773

#733456

#737034

#347350

Color Blindness Simulation

Original

#343773

Protanopia

#353564

Deuteranopia

#353561

Tritanopia

#345956

Achromatopsia

#3B3B3B

CSS Usage

background-color: #343773;
color: #343773;
border-color: #343773;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F5F5FA
100
#E7E8F3
200
#CECFE9
300
#ABADD9
400
#7D81C4
500
#4F54B0
600
#40438C
700
#333670
800
#282A58
900
#202241
950
#141529

Contrast Checker

Text on white

10.82:1

AA Pass AAA Pass

Text on black

1.94:1

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