Color

#04888b

#04888b
hex#04888b
rgbrgb(4, 136, 139)
hslhsl(181, 94%, 28%)
oklchoklch(0.569 0.096 197.6)
Closest name: darkcyan (#008b8b)Relative luminance 0.195

Colors that go with #04888b

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 →

#8b0704

#048b4a · #04458b

#8b0488 · #888b04

Split-complementary

Open in tool →

#8b0445 · #8b4a04

#4a048b · #8b0704 · #458b04

Contrast

#04888b as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #048386 as the text (4.57:1)
  • AAA: use #036163 as the text (7.26:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.9:1passpassfail
  • AAA: use #05aaad 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 #04888b as the background.

Brands using this color

Fonts for this mood

#04888b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04888b
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 #04888b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04888b-a2babe-d45992-1f272d-e9f1ed?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