Color

#1d73ed

#1d73ed
hex#1d73ed
rgbrgb(29, 115, 237)
hslhsl(215, 85%, 52%)
oklchoklch(0.578 0.2 258.7)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1864

Colors that go with #1d73ed

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 →

#ed961d

#1ddbed · #2e1ded

#ed1d73 · #73ed1d

Split-complementary

Open in tool →

#ed2e1d · #dbed1d

#ed1ddb · #ed961d · #1ded2e

Contrast

#1d73ed as textRatioAAAA largeAAAFix
Aaon white
4.44:1failpassfail
  • AA: use #1870ec as the text (4.6:1)
  • AAA: use #0f53b3 as the text (7.22:1)
  • AA: or shift the background to #080808 (4.51:1)
Aaon black
4.73:1passpassfail
  • AAA: use #5596f1 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d73ed as the background.

Brands using this color

Fonts for this mood

#1d73ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d73ed
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 #1d73ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d73ed-9ca8c4-df5d4e-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