#40447E

#40447E

Color Values

HEX

#40447E

RGB

64, 68, 126

HSL

236.1, 32.6%, 37.3%

HSV

236.1, 49.2%, 49.4%

CMYK

49.2%, 46.0%, 0.0%, 50.6%

OKLCH

0.4126 0.0959 278.3

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#40447E

#7E7A40

Analogous

#40637E

#5B407E

#40447E

Triadic

#40447E

#7E4044

#447E40

Split Complementary

#40447E

#7E5B40

#637E40

Tetradic

#40447E

#7E4063

#7E7A40

#407E5B

Color Blindness Simulation

Original

#40447E

Protanopia

#424270

Deuteranopia

#42416D

Tritanopia

#406562

Achromatopsia

#474747

CSS Usage

background-color: #40447E;
color: #40447E;
border-color: #40447E;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F6F9
100
#E8E9F2
200
#D0D1E7
300
#AEB0D6
400
#8286BF
500
#565BA9
600
#454987
700
#373A6C
800
#2B2E55
900
#22243F
950
#161728

Contrast Checker

Text on white

8.95:1

AA Pass AAA Pass

Text on black

2.35:1

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