Color

#18345d

#18345d
hex#18345d
rgbrgb(24, 52, 93)
hslhsl(216, 59%, 23%)
oklchoklch(0.327 0.081 258)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0344

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5d4218

#18565d · #1f185d

#5d1834 · #345d18

Split-complementary

Open in tool →

#5d1f18 · #565d18

#5d1856 · #5d4218 · #185d1f

Contrast

#18345d as textRatioAAAA largeAAAFix
Aaon white
12.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #3c76cd as the text (4.67:1)
  • AAA: use #6d98d9 as the text (7.14:1)
  • AA: or shift the background to #9c9c9c (4.53:1)
  • AAA: or shift the background to #c4c4c4 (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 #18345d 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

#18345d reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18345d
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 #18345d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18345d-9ca7c4-df5f4e-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