#405779

#405779

Color Values

HEX

#405779

RGB

64, 87, 121

HSL

215.8, 30.8%, 36.3%

HSV

215.8, 47.1%, 47.5%

CMYK

47.1%, 28.1%, 0.0%, 52.5%

OKLCH

0.453 0.0628 258.0

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#405779

#796240

Analogous

#407479

#464079

#405779

Triadic

#405779

#794057

#577940

Split Complementary

#405779

#794640

#747940

Tetradic

#405779

#794074

#796240

#407946

Color Blindness Simulation

Original

#405779

Protanopia

#4A4A71

Deuteranopia

#49476F

Tritanopia

#416A69

Achromatopsia

#555555

CSS Usage

background-color: #405779;
color: #405779;
border-color: #405779;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E8ECF2
200
#D0D9E6
300
#AFBED5
400
#849BBE
500
#5878A7
600
#476085
700
#384D6B
800
#2C3C53
900
#232E3E
950
#161D27

Contrast Checker

Text on white

7.35:1

AA Pass AAA Pass

Text on black

2.86:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026