#3478B3

#3478B3

Color Values

HEX

#3478B3

RGB

52, 120, 179

HSL

207.9, 55.0%, 45.3%

HSV

207.9, 70.9%, 70.2%

CMYK

70.9%, 33.0%, 0.0%, 29.8%

OKLCH

0.5569 0.1146 247.8

Properties

Cool Dark Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3478B3

#B36F34

Analogous

#34B3AF

#3438B3

#3478B3

Triadic

#3478B3

#B33478

#78B334

Split Complementary

#3478B3

#B33438

#B3AF34

Tetradic

#3478B3

#AF34B3

#B36F34

#38B334

Color Blindness Simulation

Original

#3478B3

Protanopia

#5152A5

Deuteranopia

#4E48A1

Tritanopia

#379997

Achromatopsia

#6E6E6E

CSS Usage

background-color: #3478B3;
color: #3478B3;
border-color: #3478B3;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DDEF
300
#A0C4E3
400
#6DA4D5
500
#3984C6
600
#2E6A9E
700
#25557E
800
#1D4263
900
#183248
950
#0F202E

Contrast Checker

Text on white

4.68:1

AA Pass AAA Fail

Text on black

4.48:1

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