#223187

#223187

Color Values

HEX

#223187

RGB

34, 49, 135

HSL

231.1, 59.8%, 33.1%

HSV

231.1, 74.8%, 52.9%

CMYK

74.8%, 63.7%, 0.0%, 47.1%

OKLCH

0.36 0.144 269.9

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#223187

#877822

Analogous

#226387

#452287

#223187

Triadic

#223187

#872231

#318722

Split Complementary

#223187

#874522

#638722

Tetradic

#223187

#872263

#877822

#228745

Color Blindness Simulation

Original

#223187

Protanopia

#282972

Deuteranopia

#28266D

Tritanopia

#23625E

Achromatopsia

#343434

CSS Usage

background-color: #223187;
color: #223187;
border-color: #223187;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F3F5FB
100
#E4E7F6
200
#C6CCF1
300
#9DA8E6
400
#6879D9
500
#334ACC
600
#293BA3
700
#212F82
800
#1A2566
900
#161E4B
950
#0E132F

Contrast Checker

Text on white

11.31:1

AA Pass AAA Pass

Text on black

1.86:1

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