Color

#105ada

#105ada
hex#105ada
rgbrgb(16, 90, 218)
hslhsl(218, 86%, 46%)
oklchoklch(0.51 0.208 261.2)
Closest name: Denim (#1560bd)Relative luminance 0.1248

Colors that go with #105ada

Charcoal, Crimson and Amber 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 →

#da9010

#10bfda · #2b10da

#da105a · #5ada10

Split-complementary

Open in tool →

#da2b10 · #bfda10

#da10bf · #da9010 · #10da2b

Contrast

#105ada as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #0f51c2 as the text (7.06:1)
Aaon black
3.5:1failpassfail
  • AA: use #256fef as the text (4.6:1)
  • AAA: use #5e94f3 as the text (7.01:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #105ada as the background.

Brands using this color

Fonts for this mood

#105ada reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #105ada
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 #105ada and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/105ada-9ca6c4-df644e-201f2d-e9f0f1?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