#40488D

#40488D

Color Values

HEX

#40488D

RGB

64, 72, 141

HSL

233.8, 37.6%, 40.2%

HSV

233.8, 54.6%, 55.3%

CMYK

54.6%, 48.9%, 0.0%, 44.7%

OKLCH

0.4312 0.113 275.6

Properties

Cool Dark Nearest: royalblue 4

Color Harmonies

Complementary

#40488D

#8D8540

Analogous

#406E8D

#5F408D

#40488D

Triadic

#40488D

#8D4048

#488D40

Split Complementary

#40488D

#8D5F40

#6E8D40

Tetradic

#40488D

#8D406E

#8D8540

#408D5F

Color Blindness Simulation

Original

#40488D

Protanopia

#43447C

Deuteranopia

#434278

Tritanopia

#406F6C

Achromatopsia

#4B4B4B

CSS Usage

background-color: #40488D;
color: #40488D;
border-color: #40488D;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E9F3
200
#CED1E9
300
#ABB0D9
400
#7D85C4
500
#5059AF
600
#40488C
700
#333970
800
#282D58
900
#202341
950
#141629

Contrast Checker

Text on white

8.3:1

AA Pass AAA Pass

Text on black

2.53:1

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