Color

#223d4e

#223d4e
hex#223d4e
rgbrgb(34, 61, 78)
hslhsl(203, 39%, 22%)
oklchoklch(0.346 0.044 237.6)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0423

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e3322

#224e49 · #22274e

#4e223d · #3d4e22

Split-complementary

Open in tool →

#4e2227 · #4e4922

#49224e · #4e3322 · #274e22

Contrast

#223d4e as textRatioAAAA largeAAAFix
Aaon white
11.38:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #447a9c as the text (4.51:1)
  • AAA: use #6a9ebe as the text (7.25:1)
  • AA: or shift the background to #a3a3a3 (4.51:1)
  • AAA: or shift the background to #cccccc (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223d4e 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

#223d4e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #223d4e
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 #223d4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/223d4e-9cb0c4-df4e5d-1f222d-e9f1f0?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