Color

#04789f

#04789f
hex#04789f
rgbrgb(4, 120, 159)
hslhsl(195, 95%, 32%)
oklchoklch(0.536 0.106 230)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1596

Colors that go with #04789f

Charcoal, Crimson and Royal Blue 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 →

#9f2b04

#049f78 · #042b9f

#9f0478 · #789f04

Split-complementary

Open in tool →

#9f042b · #9f7804

#78049f · #9f2b04 · #2b9f04

Contrast

#04789f as textRatioAAAA largeAAAFix
Aaon white
5.01:1passpassfail
  • AAA: use #035e7c as the text (7.25:1)
Aaon black
4.19:1failpassfail
  • AA: use #0480a9 as the text (4.67:1)
  • AAA: use #05a2d6 as the text (7.15:1)
  • AA: or shift the background to #f5f5f5 (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 #04789f as the background.

Brands using this color

Fonts for this mood

#04789f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04789f
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 #04789f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04789f-9cb5c4-df4e70-1f242d-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