Color

#223b58

#223b58
hex#223b58
rgbrgb(34, 59, 88)
hslhsl(212, 44%, 24%)
oklchoklch(0.347 0.06 253.1)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0417

Tints & shades

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

Harmonies

Complementary

Open in tool →

#583f22

#225658 · #242258

#58223b · #3b5822

Split-complementary

Open in tool →

#582422 · #565822

#582256 · #583f22 · #225824

Contrast

#223b58 as textRatioAAAA largeAAAFix
Aaon white
11.45:1passpasspassPasses AAA — no fix needed.
Aaon black
1.83:1failfailfail
  • AA: use #4577b0 as the text (4.52:1)
  • AAA: use #7099c7 as the text (7.07:1)
  • AA: or shift the background to #a3a3a3 (4.54:1)
  • AAA: or shift the background to #cccccc (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223b58 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

#223b58 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223b58
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 #223b58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223b58-9caac4-df564e-1f202d-e9f1f1?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