#404F6C

#404F6C

Color Values

HEX

#404F6C

RGB

64, 79, 108

HSL

219.5, 25.6%, 33.7%

HSV

219.5, 40.7%, 42.4%

CMYK

40.7%, 26.9%, 0.0%, 57.6%

OKLCH

0.4273 0.0521 263.2

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#404F6C

#6C5D40

Analogous

#40656C

#47406C

#404F6C

Triadic

#404F6C

#6C404F

#4F6C40

Split Complementary

#404F6C

#6C4740

#656C40

Tetradic

#404F6C

#6C4065

#6C5D40

#406C47

Color Blindness Simulation

Original

#404F6C

Protanopia

#464765

Deuteranopia

#464463

Tritanopia

#415F5E

Achromatopsia

#4E4E4E

CSS Usage

background-color: #404F6C;
color: #404F6C;
border-color: #404F6C;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9ECF1
200
#D2D8E4
300
#B2BDD1
400
#8899B9
500
#5F75A0
600
#4C5E80
700
#3D4B66
800
#2F3B50
900
#252D3C
950
#181C26

Contrast Checker

Text on white

8.23:1

AA Pass AAA Pass

Text on black

2.55:1

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