Color

#04899a

#04899a
hex#04899a
rgbrgb(4, 137, 154)
hslhsl(187, 95%, 31%)
oklchoklch(0.578 0.099 210.1)
Closest name: darkcyan (#008b8b)Relative luminance 0.2025

Colors that go with #04899a

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 →

#9a1504

#049a61 · #043e9a

#9a0489 · #899a04

Split-complementary

Open in tool →

#9a043e · #9a6104

#61049a · #9a1504 · #3e9a04

Contrast

#04899a as textRatioAAAA largeAAAFix
Aaon white
4.16:1failpassfail
  • AA: use #048090 as the text (4.67:1)
  • AAA: use #03616d as the text (7.16:1)
  • AA: or shift the background to #121212 (4.51:1)
Aaon black
5.05:1passpassfail
  • AAA: use #05a7bd as the text (7.27:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04899a 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

#04899a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04899a
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 #04899a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04899a-a2b8be-df4e83-1f262d-e9f1ee?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