Color

#04878b

#04878b
hex#04878b
rgbrgb(4, 135, 139)
hslhsl(182, 94%, 28%)
oklchoklch(0.566 0.096 198.5)
Closest name: darkcyan (#008b8b)Relative luminance 0.1922

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b0904

#048b4c · #04438b

#8b0486 · #868b04

Split-complementary

Open in tool →

#8b0443 · #8b4c04

#4c048b · #8b0904 · #438b04

Contrast

#04878b as textRatioAAAA largeAAAFix
Aaon white
4.34:1failpassfail
  • AA: use #048186 as the text (4.68:1)
  • AAA: use #036063 as the text (7.35:1)
  • AA: or shift the background to #0a0a0a (4.57:1)
Aaon black
4.84:1passpassfail
  • AAA: use #05a8ad as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04878b 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

#04878b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04878b
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 #04878b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04878b-a2babe-d45990-1f272d-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