Color

#0f424d

#0f424d
hex#0f424d
rgbrgb(15, 66, 77)
hslhsl(191, 67%, 18%)
oklchoklch(0.352 0.055 215.5)
Closest name: Cold and Dark (#154250)Relative luminance 0.0453

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d1a0f

#0f4d39 · #0f234d

#4d0f41 · #414d0f

Split-complementary

Open in tool →

#4d0f23 · #4d390f

#390f4d · #4d1a0f · #234d0f

Contrast

#0f424d as textRatioAAAA largeAAAFix
Aaon white
11.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.91:1failfailfail
  • AA: use #1d7f95 as the text (4.52:1)
  • AAA: use #26a3c0 as the text (7.08:1)
  • AA: or shift the background to #a6a6a6 (4.52:1)
  • AAA: or shift the background to #cfcfcf (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f424d as the background.

Brands using this color

Fonts for this mood

#0f424d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f424d
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 #0f424d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f424d-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