Color

#1f67db

#1f67db
hex#1f67db
rgbrgb(31, 103, 219)
hslhsl(217, 75%, 49%)
oklchoklch(0.54 0.191 260)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1511

Colors that go with #1f67db

Charcoal, Crimson and Sienna 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 →

#db931f

#1fc5db · #351fdb

#db1f67 · #67db1f

Split-complementary

Open in tool →

#db351f · #c5db1f

#db1fc5 · #db931f · #1fdb35

Contrast

#1f67db as textRatioAAAA largeAAAFix
Aaon white
5.22:1passpassfail
  • AAA: use #1954b3 as the text (7.09:1)
Aaon black
4.02:1failpassfail
  • AA: use #2d72e1 as the text (4.61:1)
  • AAA: use #6396e9 as the text (7.07:1)
  • AA: or shift the background to #f0f0f0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f67db as the background.

Brands using this color

Fonts for this mood

#1f67db reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f67db
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 #1f67db and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f67db-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