#40537E

#40537E

Color Values

HEX

#40537E

RGB

64, 83, 126

HSL

221.6, 32.6%, 37.3%

HSV

221.6, 49.2%, 49.4%

CMYK

49.2%, 34.1%, 0.0%, 50.6%

OKLCH

0.4463 0.0749 265.3

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#40537E

#7E6B40

Analogous

#40727E

#4C407E

#40537E

Triadic

#40537E

#7E4053

#537E40

Split Complementary

#40537E

#7E4C40

#727E40

Tetradic

#40537E

#7E4072

#7E6B40

#407E4C

Color Blindness Simulation

Original

#40537E

Protanopia

#484874

Deuteranopia

#474671

Tritanopia

#416B6A

Achromatopsia

#525252

CSS Usage

background-color: #40537E;
color: #40537E;
border-color: #40537E;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F7F9
100
#E8EBF2
200
#D0D7E7
300
#AEBAD6
400
#8295BF
500
#566FA9
600
#455987
700
#37476C
800
#2B3855
900
#222B3F
950
#161B28

Contrast Checker

Text on white

7.62:1

AA Pass AAA Pass

Text on black

2.76:1

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