Color

#1703fc

#1703fc
hex#1703fc
rgbrgb(23, 3, 252)
hslhsl(245, 98%, 50%)
oklchoklch(0.453 0.307 265.9)
Closest name: blue (#0000ff)Relative luminance 0.0728

Colors that go with #1703fc

Charcoal, Crimson and Cobalt 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 →

#e8fc03

#036bfc · #9403fc

#fc1703 · #03fc17

Split-complementary

Open in tool →

#fc9403 · #6bfc03

#fc036b · #e8fc03 · #03fc94

Contrast

#1703fc as textRatioAAAA largeAAAFix
Aaon white
8.55:1passpasspassPasses AAA — no fix needed.
Aaon black
2.46:1failfailfail
  • AA: use #6b5dfd as the text (4.61:1)
  • AAA: use #9086fe as the text (7.03:1)
  • AA: or shift the background to #bdbdbd (4.55:1)
  • AAA: or shift the background to #ebebeb (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1703fc as the background.

Brands using this color

Fonts for this mood

#1703fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1703fc
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 #1703fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1703fc-a49cc4-dfa54e-261f2d-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