#405387

#405387

Color Values

HEX

#405387

RGB

64, 83, 135

HSL

223.9, 35.7%, 39.0%

HSV

223.9, 52.6%, 52.9%

CMYK

52.6%, 38.5%, 0.0%, 47.1%

OKLCH

0.4515 0.0887 267.6

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#405387

#877440

Analogous

#407787

#504087

#405387

Triadic

#405387

#874053

#538740

Split Complementary

#405387

#875040

#778740

Tetradic

#405387

#874077

#877440

#408750

Color Blindness Simulation

Original

#405387

Protanopia

#48487A

Deuteranopia

#474677

Tritanopia

#41706E

Achromatopsia

#535353

CSS Usage

background-color: #405387;
color: #405387;
border-color: #405387;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F6FA
100
#E8EBF3
200
#CFD5E8
300
#ACB8D8
400
#7F91C2
500
#526AAD
600
#42558A
700
#34446F
800
#293557
900
#212940
950
#151A28

Contrast Checker

Text on white

7.49:1

AA Pass AAA Pass

Text on black

2.81:1

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