Color

#135add

#135add
hex#135add
rgbrgb(19, 90, 221)
hslhsl(219, 84%, 47%)
oklchoklch(0.513 0.211 261.6)
Closest name: Denim (#1560bd)Relative luminance 0.1267

Colors that go with #135add

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 →

#dd9613

#13bedd · #3113dd

#dd135a · #5add13

Split-complementary

Open in tool →

#dd3113 · #bedd13

#dd13be · #dd9613 · #13dd31

Contrast

#135add as textRatioAAAA largeAAAFix
Aaon white
5.94:1passpassfail
  • AAA: use #1150c5 as the text (7.05:1)
Aaon black
3.53:1failpassfail
  • AA: use #2c6fed as the text (4.6:1)
  • AAA: use #6496f2 as the text (7.19:1)
  • AA: or shift the background to #e0e0e0 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #135add as the background.

Brands using this color

Fonts for this mood

#135add reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #135add
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 #135add and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/135add-9ca5c4-df664e-211f2d-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