Color

#291263

#291263
hex#291263
rgbrgb(41, 18, 99)
hslhsl(257, 69%, 23%)
oklchoklch(0.277 0.131 287.5)
Closest name: Blackmail (#220066)Relative luminance 0.018

Colors that go with #291263

Charcoal, Royal Blue and Cadet 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 →

#4c6312

#122463 · #521263

#632912 · #126329

Split-complementary

Open in tool →

#635212 · #246312

#631224 · #4c6312 · #126352

Contrast

#291263 as textRatioAAAA largeAAAFix
Aaon white
15.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #815be1 as the text (4.52:1)
  • AAA: use #a286e9 as the text (7.12:1)
  • AA: or shift the background to #8c8c8c (4.59:1)
  • AAA: or shift the background to #b0b0b0 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #291263 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

#291263 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #291263
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 #291263 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/291263-ac9cc4-dfc24e-291f2d-e9ebf1?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