Color

#170acd

#170acd
hex#170acd
rgbrgb(23, 10, 205)
hslhsl(244, 91%, 42%)
oklchoklch(0.393 0.259 267)
Closest name: mediumblue (#0000cd)Relative luminance 0.0481

Colors that go with #170acd

Charcoal, Cornflower Blue and Crimson 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 →

#c0cd0a

#0a5ecd · #780acd

#cd170a · #0acd17

Split-complementary

Open in tool →

#cd780a · #5ecd0a

#cd0a5e · #c0cd0a · #0acd78

Contrast

#170acd as textRatioAAAA largeAAAFix
Aaon white
10.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.96:1failfailfail
  • AA: use #685ef7 as the text (4.53:1)
  • AAA: use #928af9 as the text (7.23:1)
  • AA: or shift the background to #a8a8a8 (4.5:1)
  • AAA: or shift the background to #d1d1d1 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170acd as the background.

Brands using this color

Fonts for this mood

#170acd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170acd
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 #170acd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170acd-a39cc4-dfa24e-261f2d-e9edf1?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