#405363

#405363

Color Values

HEX

#405363

RGB

64, 83, 99

HSL

207.4, 21.5%, 32.0%

HSV

207.4, 35.4%, 38.8%

CMYK

35.4%, 16.2%, 0.0%, 61.2%

OKLCH

0.4328 0.0356 244.1

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#405363

#635040

Analogous

#406362

#404263

#405363

Triadic

#405363

#634053

#536340

Split Complementary

#405363

#634042

#636240

Tetradic

#405363

#624063

#635040

#426340

Color Blindness Simulation

Original

#405363

Protanopia

#48485F

Deuteranopia

#47465E

Tritanopia

#415C5B

Achromatopsia

#505050

CSS Usage

background-color: #405363;
color: #405363;
border-color: #405363;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DCE3
300
#B5C3CF
400
#8CA2B5
500
#64829B
600
#50687C
700
#405363
800
#32414D
900
#27313A
950
#191F25

Contrast Checker

Text on white

7.97:1

AA Pass AAA Pass

Text on black

2.64:1

AA Fail AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Feb 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Feb 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Feb 20, 2026