#40576A

#40576A

Color Values

HEX

#40576A

RGB

64, 87, 106

HSL

207.1, 24.7%, 33.3%

HSV

207.1, 39.6%, 41.6%

CMYK

39.6%, 17.9%, 0.0%, 58.4%

OKLCH

0.4458 0.0421 243.8

Properties

Cool Dark Nearest: RAL 5025 Pearl Gentian Blue

Color Harmonies

Complementary

#40576A

#6A5340

Analogous

#406A68

#40426A

#40576A

Triadic

#40576A

#6A4057

#576A40

Split Complementary

#40576A

#6A4042

#6A6840

Tetradic

#40576A

#68406A

#6A5340

#426A40

Color Blindness Simulation

Original

#40576A

Protanopia

#4A4A65

Deuteranopia

#494764

Tritanopia

#416261

Achromatopsia

#535353

CSS Usage

background-color: #40576A;
color: #40576A;
border-color: #40576A;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F8F9
100
#E9EEF1
200
#D2DCE4
300
#B3C3D1
400
#89A3B8
500
#60839F
600
#4D687F
700
#3D5466
800
#30414F
900
#26313B
950
#181F25

Contrast Checker

Text on white

7.53:1

AA Pass AAA Pass

Text on black

2.79:1

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