Color

#0739ed

#0739ed
hex#0739ed
rgbrgb(7, 57, 237)
hslhsl(227, 94%, 48%)
oklchoklch(0.473 0.266 264.3)
Closest name: C64 Blue (#003aff)Relative luminance 0.0909

Colors that go with #0739ed

Charcoal, Crimson and Amber 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 →

#edbc07

#07aced · #4907ed

#ed0739 · #39ed07

Split-complementary

Open in tool →

#ed4907 · #aced07

#ed07ac · #edbc07 · #07ed49

Contrast

#0739ed as textRatioAAAA largeAAAFix
Aaon white
7.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #3e67f9 as the text (4.51:1)
  • AAA: use #7492fb as the text (7.25:1)
  • AA: or shift the background to #c9c9c9 (4.5:1)
  • AAA: or shift the background to #fafafa (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0739ed as the background.

Brands using this color

Fonts for this mood

#0739ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0739ed
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 #0739ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0739ed-9ca0c4-df7a4e-221f2d-e9eff1?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