Color

#0d2f45

#0d2f45
hex#0d2f45
rgbrgb(13, 47, 69)
hslhsl(204, 68%, 16%)
oklchoklch(0.293 0.056 241)
Closest name: Nordic Noir (#003344)Relative luminance 0.0255

Colors that go with #0d2f45

Royal Blue, 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 #0d2f45

Tints & shades

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

Harmonies

Complementary

Open in tool →

#45230d

#0d453f · #0d1345

#450d2e · #2e450d

Split-complementary

Open in tool →

#450d13 · #453f0d

#3f0d45 · #45230d · #13450d

Contrast

#0d2f45 as textRatioAAAA largeAAAFix
Aaon white
13.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.51:1failfailfail
  • AA: use #227ab4 as the text (4.51:1)
  • AAA: use #439edb as the text (7.15:1)
  • AA: or shift the background to #949494 (4.59:1)
  • AAA: or shift the background to #b8b8b8 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d2f45 as the background.

Brands using this color

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

Fonts for this mood

#0d2f45 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d2f45
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 #0d2f45 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d2f45-9cafc4-df4e5a-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