Color

#1829aa

#1829aa
hex#1829aa
rgbrgb(24, 41, 170)
hslhsl(233, 75%, 38%)
oklchoklch(0.378 0.201 267.4)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0468

Colors that go with #1829aa

Charcoal, Blue and Cornflower Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa9918

#1872aa · #5018aa

#aa1829 · #29aa18

Split-complementary

Open in tool →

#aa5018 · #72aa18

#aa1872 · #aa9918 · #18aa50

Contrast

#1829aa as textRatioAAAA largeAAAFix
Aaon white
10.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #5a6ae7 as the text (4.65:1)
  • AAA: use #828fed as the text (7.1:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (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 #1829aa 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

#1829aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1829aa
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1829aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1829aa-9c9cc4-df884e-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