Color

#04859f

#04859f
hex#04859f
rgbrgb(4, 133, 159)
hslhsl(190, 95%, 32%)
oklchoklch(0.57 0.102 218.1)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.193

Colors that go with #04859f

Charcoal, Copper and Crimson 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 →

#9f1e04

#049f6b · #04389f

#9f0485 · #859f04

Split-complementary

Open in tool →

#9f0438 · #9f6b04

#6b049f · #9f1e04 · #389f04

Contrast

#04859f as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #04819a as the text (4.55:1)
  • AAA: use #036072 as the text (7.19:1)
  • AA: or shift the background to #0a0a0a (4.58:1)
Aaon black
4.86:1passpassfail
  • AAA: use #05a7c7 as the text (7.36:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04859f 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

#04859f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04859f
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 #04859f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04859f-a2b6be-df4e7c-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