Color

#0f353e

#0f353e
hex#0f353e
rgbrgb(15, 53, 62)
hslhsl(191, 61%, 15%)
oklchoklch(0.307 0.045 216.4)
Closest name: Elite Teal (#133337)Relative luminance 0.03

Colors that go with #0f353e

Crimson, Rust and Sienna 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 #0f353e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e170f

#0f3e2f · #0f1e3e

#3e0f35 · #353e0f

Split-complementary

Open in tool →

#3e0f1e · #3e2f0f

#2f0f3e · #3e170f · #1e3e0f

Contrast

#0f353e as textRatioAAAA largeAAAFix
Aaon white
13.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.6:1failfailfail
  • AA: use #247f94 as the text (4.54:1)
  • AAA: use #2ea3bd as the text (7.09:1)
  • AA: or shift the background to #999999 (4.61:1)
  • AAA: or shift the background to #bfbfbf (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f353e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f353e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f353e
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 #0f353e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f353e-a2b6be-df4e7a-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