#40556F

#40556F

Color Values

HEX

#40556F

RGB

64, 85, 111

HSL

213.2, 26.9%, 34.3%

HSV

213.2, 42.3%, 43.5%

CMYK

42.3%, 23.4%, 0.0%, 56.5%

OKLCH

0.4432 0.0503 254.1

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#40556F

#6F5A40

Analogous

#406C6F

#42406F

#40556F

Triadic

#40556F

#6F4055

#556F40

Split Complementary

#40556F

#6F4240

#6C6F40

Tetradic

#40556F

#6F406C

#6F5A40

#406F42

Color Blindness Simulation

Original

#40556F

Protanopia

#494969

Deuteranopia

#484667

Tritanopia

#416463

Achromatopsia

#525252

CSS Usage

background-color: #40556F;
color: #40556F;
border-color: #40556F;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#E9EDF1
200
#D2DAE5
300
#B1C0D2
400
#879EBA
500
#5D7CA2
600
#4B6381
700
#3C4F68
800
#2F3E51
900
#252F3C
950
#171E26

Contrast Checker

Text on white

7.64:1

AA Pass AAA Pass

Text on black

2.75:1

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