Color

#223f68

#223f68
hex#223f68
rgbrgb(34, 63, 104)
hslhsl(215, 51%, 27%)
oklchoklch(0.367 0.079 257.3)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0489

Colors that go with #223f68

Teal, Blue and Blush Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#684b22

#226268 · #282268

#68223f · #3f6822

Split-complementary

Open in tool →

#682822 · #626822

#682262 · #684b22 · #226828

Contrast

#223f68 as textRatioAAAA largeAAAFix
Aaon white
10.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.98:1failfailfail
  • AA: use #3e75c1 as the text (4.52:1)
  • AAA: use #7199d1 as the text (7.18:1)
  • AA: or shift the background to #ababab (4.62:1)
  • AAA: or shift the background to #d4d4d4 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223f68 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

#223f68 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223f68
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #223f68 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223f68-9ca8c4-df5d4e-201f2d-e9f0f1?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