Color

#0739cf

#0739cf
hex#0739cf
rgbrgb(7, 57, 207)
hslhsl(225, 93%, 42%)
oklchoklch(0.44 0.232 264)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0748

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cf9d07

#079dcf · #3907cf

#cf0739 · #39cf07

Split-complementary

Open in tool →

#cf3907 · #9dcf07

#cf079d · #cf9d07 · #07cf39

Contrast

#0739cf as textRatioAAAA largeAAAFix
Aaon white
8.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.5:1failfailfail
  • AA: use #3a6af8 as the text (4.6:1)
  • AAA: use #7093fa as the text (7.24:1)
  • AA: or shift the background to #bfbfbf (4.58:1)
  • AAA: or shift the background to #ebebeb (7.06:1)

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

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #0739cf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0739cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0739cf-9ca1c4-df754e-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