Color

#18528b

#18528b
hex#18528b
rgbrgb(24, 82, 139)
hslhsl(210, 71%, 32%)
oklchoklch(0.433 0.111 251.8)
Closest name: Assassin (#2d4f83)Relative luminance 0.0809

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8c5218

#188c8c · #18188c

#8c1852 · #528c18

Split-complementary

Open in tool →

#8c1818 · #8c8c18

#8c188c · #8c5218 · #188c18

Contrast

#18528b as textRatioAAAA largeAAAFix
Aaon white
8.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.62:1failfailfail
  • AA: use #2378cd as the text (4.64:1)
  • AAA: use #559ce2 as the text (7.24:1)
  • AA: or shift the background to #c2c2c2 (4.5:1)
  • AAA: or shift the background to #f0f0f0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18528b 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

#18528b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #18528b
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 #18528b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18528b-9cabc4-df514e-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