Color

#0f585c

#0f585c
hex#0f585c
rgbrgb(15, 88, 92)
hslhsl(183, 72%, 21%)
oklchoklch(0.421 0.067 200.7)
Closest name: Abyssal Waters (#005765)Relative luminance 0.0785

Colors that go with #0f585c

Crimson, Blue and Cadet 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.

Real palettes that use #0f585c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c130f

#0f5c39 · #0f325c

#5c0f58 · #585c0f

Split-complementary

Open in tool →

#5c0f32 · #5c390f

#390f5c · #5c130f · #325c0f

Contrast

#0f585c as textRatioAAAA largeAAAFix
Aaon white
8.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #168288 as the text (4.58:1)
  • AAA: use #1da8af as the text (7.27:1)
  • AA: or shift the background to #c2c2c2 (4.59:1)
  • AAA: or shift the background to #f0f0f0 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f585c as the background.

Brands using this color

Fonts for this mood

#0f585c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f585c
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 #0f585c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f585c-a2b9be-d4598e-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