Color

#0728bb

#0728bb
hex#0728bb
rgbrgb(7, 40, 187)
hslhsl(229, 93%, 38%)
oklchoklch(0.392 0.225 264.7)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0515

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9a07

#0782bb · #4007bb

#bb0728 · #28bb07

Split-complementary

Open in tool →

#bb4007 · #82bb07

#bb0782 · #bb9a07 · #07bb40

Contrast

#0728bb as textRatioAAAA largeAAAFix
Aaon white
10.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #4969f8 as the text (4.66:1)
  • AAA: use #758efa as the text (7.01:1)
  • AA: or shift the background to #ababab (4.5:1)
  • AAA: or shift the background to #d6d6d6 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0728bb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0728bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0728bb
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 #0728bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0728bb-9c9fc4-df7e4e-231f2d-e9eef1?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