Color

#223b72

#223b72
hex#223b72
rgbrgb(34, 59, 114)
hslhsl(221, 54%, 29%)
oklchoklch(0.364 0.1 263.8)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0468

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#725922

#226372 · #312272

#72223b · #3b7222

Split-complementary

Open in tool →

#723122 · #637222

#722263 · #725922 · #227231

Contrast

#223b72 as textRatioAAAA largeAAAFix
Aaon white
10.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #4a72c9 as the text (4.54:1)
  • AAA: use #7997d7 as the text (7.22:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223b72 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#223b72 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223b72
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #223b72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223b72-9ca4c4-df6b4e-211f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md