#345578

#345578

Color Values

HEX

#345578

RGB

52, 85, 120

HSL

210.9, 39.5%, 33.7%

HSV

210.9, 56.7%, 47.1%

CMYK

56.7%, 29.2%, 0.0%, 52.9%

OKLCH

0.4403 0.0699 251.0

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#345578

#785734

Analogous

#347778

#353478

#345578

Triadic

#345578

#783455

#557834

Split Complementary

#345578

#783534

#777834

Tetradic

#345578

#783477

#785734

#347835

Color Blindness Simulation

Original

#345578

Protanopia

#424370

Deuteranopia

#403E6E

Tritanopia

#366967

Achromatopsia

#515151

CSS Usage

background-color: #345578;
color: #345578;
border-color: #345578;
Nearest Tailwind: Sky 900 #0C4A6E

Tailwind Shades

50
#F5F7FA
100
#E7EDF3
200
#CDDBE9
300
#AAC1DA
400
#7BA0C6
500
#4D7EB2
600
#3E658E
700
#315172
800
#273F59
900
#1F3042
950
#141E29

Contrast Checker

Text on white

7.73:1

AA Pass AAA Pass

Text on black

2.72:1

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