Color

#0f232f

#0f232f
hex#0f232f
rgbrgb(15, 35, 47)
hslhsl(203, 52%, 12%)
oklchoklch(0.246 0.035 236.8)
Closest name: Sunken Ship (#10252a)Relative luminance 0.0151

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2f1b0f

#0f2f2b · #0f122f

#2f0f22 · #222f0f

Split-complementary

Open in tool →

#2f0f12 · #2f2b0f

#2b0f2f · #2f1b0f · #122f0f

Contrast

#0f232f as textRatioAAAA largeAAAFix
Aaon white
16.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #357ba7 as the text (4.54:1)
  • AAA: use #589fca as the text (7.23:1)
  • AA: or shift the background to #8a8a8a (4.67:1)
  • AAA: or shift the background to #ababab (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f232f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f232f reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f232f
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 #0f232f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f232f-9cb0c4-df4e5d-1f222d-e9f1f0?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