#405978

#405978

Color Values

HEX

#405978

RGB

64, 89, 120

HSL

213.2, 30.4%, 36.1%

HSV

213.2, 46.7%, 47.1%

CMYK

46.7%, 25.8%, 0.0%, 52.9%

OKLCH

0.4573 0.0593 254.2

Properties

Cool Dark Nearest: RAL 5023 Distant Blue

Color Harmonies

Complementary

#405978

#785F40

Analogous

#407578

#434078

#405978

Triadic

#405978

#784059

#597840

Split Complementary

#405978

#784340

#757840

Tetradic

#405978

#784075

#785F40

#407843

Color Blindness Simulation

Original

#405978

Protanopia

#4B4B71

Deuteranopia

#49486F

Tritanopia

#416B69

Achromatopsia

#565656

CSS Usage

background-color: #405978;
color: #405978;
border-color: #405978;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F5F7F9
100
#E9EDF2
200
#D0DAE6
300
#AFC0D4
400
#849EBD
500
#597BA6
600
#476385
700
#394F6A
800
#2C3E53
900
#232F3E
950
#161E27

Contrast Checker

Text on white

7.2:1

AA Pass AAA Pass

Text on black

2.92:1

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