#405568

#405568

Color Values

HEX

#405568

RGB

64, 85, 104

HSL

208.5, 23.8%, 32.9%

HSV

208.5, 38.5%, 40.8%

CMYK

38.5%, 18.3%, 0.0%, 59.2%

OKLCH

0.44 0.0407 246.2

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#405568

#685340

Analogous

#406867

#404168

#405568

Triadic

#405568

#684055

#556840

Split Complementary

#405568

#684041

#686740

Tetradic

#405568

#674068

#685340

#416840

Color Blindness Simulation

Original

#405568

Protanopia

#494963

Deuteranopia

#484662

Tritanopia

#41605F

Achromatopsia

#525252

CSS Usage

background-color: #405568;
color: #405568;
border-color: #405568;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#EAEDF1
200
#D3DCE4
300
#B3C3D0
400
#8AA2B7
500
#61819E
600
#4E677E
700
#3E5365
800
#31414F
900
#26313B
950
#181F25

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