Color

#1d72fc

#1d72fc
hex#1d72fc
rgbrgb(29, 114, 252)
hslhsl(217, 97%, 55%)
oklchoklch(0.587 0.22 260.3)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1932

Colors that go with #1d72fc

Charcoal, Crimson and Copper 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 →

#fca61d

#1de2fc · #371dfc

#fc1d72 · #72fc1d

Split-complementary

Open in tool →

#fc371d · #e2fc1d

#fc1de2 · #fca61d · #1dfc37

Contrast

#1d72fc as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #136cfb as the text (4.6:1)
  • AAA: use #034fc9 as the text (7.08:1)
  • AA: or shift the background to #0d0d0d (4.5:1)
Aaon black
4.86:1passpassfail
  • AAA: use #5495fc as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d72fc as the background.

Brands using this color

Fonts for this mood

#1d72fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d72fc
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 #1d72fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d72fc-9ca7c4-df624e-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