Color

#04728b

#04728b
hex#04728b
rgbrgb(4, 114, 139)
hslhsl(191, 94%, 28%)
oklchoklch(0.511 0.092 220.3)
Closest name: Blue Fjord (#007290)Relative luminance 0.1392

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b1d04

#048b60 · #042f8b

#8b0472 · #728b04

Split-complementary

Open in tool →

#8b042f · #8b6004

#60048b · #8b1d04 · #2f8b04

Contrast

#04728b as textRatioAAAA largeAAAFix
Aaon white
5.55:1passpassfail
  • AAA: use #045e72 as the text (7.37:1)
Aaon black
3.78:1failpassfail
  • AA: use #05829e as the text (4.69:1)
  • AAA: use #06a3c6 as the text (7.06:1)
  • AA: or shift the background to #e8e8e8 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04728b as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#04728b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04728b
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 #04728b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04728b-a2b6be-df4e7a-1f252d-e9f1ef?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