Color

#0751cf

#0751cf
hex#0751cf
rgbrgb(7, 81, 207)
hslhsl(218, 93%, 42%)
oklchoklch(0.482 0.205 261.3)
Closest name: Denim (#1560bd)Relative luminance 0.1044

Colors that go with #0751cf

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 →

#cf8607

#07b4cf · #2207cf

#cf0751 · #51cf07

Split-complementary

Open in tool →

#cf2207 · #b4cf07

#cf07b4 · #cf8607 · #07cf22

Contrast

#0751cf as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #074fca as the text (7.05:1)
Aaon black
3.09:1failpassfail
  • AA: use #1d6df7 as the text (4.58:1)
  • AAA: use #5d96f9 as the text (7.2:1)
  • AA: or shift the background to #d4d4d4 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0751cf as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0751cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0751cf
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 #0751cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0751cf-9ca6c4-df644e-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