#223387

#223387

Color Values

HEX

#223387

RGB

34, 51, 135

HSL

229.9, 59.8%, 33.1%

HSV

229.9, 74.8%, 52.9%

CMYK

74.8%, 62.2%, 0.0%, 47.1%

OKLCH

0.3639 0.1414 269.3

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#223387

#877622

Analogous

#226587

#432287

#223387

Triadic

#223387

#872233

#338722

Split Complementary

#223387

#874322

#658722

Tetradic

#223387

#872265

#877622

#228743

Color Blindness Simulation

Original

#223387

Protanopia

#292A73

Deuteranopia

#28276E

Tritanopia

#23635F

Achromatopsia

#353535

CSS Usage

background-color: #223387;
color: #223387;
border-color: #223387;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F3F5FB
100
#E4E7F6
200
#C6CDF1
300
#9DAAE6
400
#687BD9
500
#334DCC
600
#293EA3
700
#213182
800
#1A2666
900
#161F4B
950
#0E142F

Contrast Checker

Text on white

11.1:1

AA Pass AAA Pass

Text on black

1.89:1

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