Color

#100655

#100655
hex#100655
rgbrgb(16, 6, 85)
hslhsl(248, 87%, 18%)
oklchoklch(0.222 0.129 274.1)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.009

Colors that go with #100655

Charcoal, Sea Green and Steel 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.

Real palettes that use #100655

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b5606

#062356 · #390656

#561106 · #065611

Split-complementary

Open in tool →

#563906 · #235606

#560623 · #4b5606 · #065639

Contrast

#100655 as textRatioAAAA largeAAAFix
Aaon white
17.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #715df4 as the text (4.57:1)
  • AAA: use #9788f7 as the text (7.18:1)
  • AA: or shift the background to #808080 (4.51:1)
  • AAA: or shift the background to #a3a3a3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #100655 as the background.

Brands using this color

Fonts for this mood

#100655 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #100655
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 #100655 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/100655-a69cc4-dfac4e-271f2d-e9ecf1?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