Color

#0f1c33

#0f1c33
hex#0f1c33
rgbrgb(15, 28, 51)
hslhsl(218, 55%, 13%)
oklchoklch(0.228 0.049 261.1)
Closest name: Dark Knight (#151931)Relative luminance 0.0117

Tints & shades

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

Harmonies

Complementary

Open in tool →

#33260f

#0f2f33 · #140f33

#330f1c · #1c330f

Split-complementary

Open in tool →

#33140f · #2f330f

#330f2f · #33260f · #0f3314

Contrast

#0f1c33 as textRatioAAAA largeAAAFix
Aaon white
17.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.23:1failfailfail
  • AA: use #4173c8 as the text (4.51:1)
  • AAA: use #7196d6 as the text (7.04:1)
  • AA: or shift the background to #858585 (4.61:1)
  • AAA: or shift the background to #a8a8a8 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f1c33 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#0f1c33 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f1c33
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 #0f1c33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f1c33-9ca6c4-df644e-201f2d-e9f0f1?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