Color

#182181

#182181
hex#182181
rgbrgb(24, 33, 129)
hslhsl(235, 69%, 30%)
oklchoklch(0.32 0.158 269.7)
Closest name: Below the Surface (#0a2f7c)Relative luminance 0.0287

Tints & shades

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

Harmonies

Complementary

Open in tool →

#817818

#185581 · #441881

#811821 · #218118

Split-complementary

Open in tool →

#814418 · #558118

#811855 · #817818 · #188144

Contrast

#182181 as textRatioAAAA largeAAAFix
Aaon white
13.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.57:1failfailfail
  • AA: use #606ae2 as the text (4.66:1)
  • AAA: use #868fe9 as the text (7.12:1)
  • AA: or shift the background to #969696 (4.51:1)
  • AAA: or shift the background to #bdbdbd (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #182181 as the background.

Brands using this color

Fonts for this mood

#182181 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #182181
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 #182181 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/182181-9e9cc4-df8d4e-241f2d-e9eef1?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