Color

#0d293f

#0d293f
hex#0d293f
rgbrgb(13, 41, 63)
hslhsl(206, 66%, 15%)
oklchoklch(0.272 0.053 245.4)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0203

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f230d

#0d3f3c · #0d103f

#3f0d2a · #2a3f0d

Split-complementary

Open in tool →

#3f0d10 · #3f3c0d

#3c0d3f · #3f230d · #103f0d

Contrast

#0d293f as textRatioAAAA largeAAAFix
Aaon white
14.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #267aba as the text (4.58:1)
  • AAA: use #4d9ddb as the text (7.16:1)
  • AA: or shift the background to #8f8f8f (4.62:1)
  • AAA: or shift the background to #b3b3b3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d293f 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

#0d293f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d293f
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 #0d293f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d293f-9caec4-df4e56-1f212d-e9f1f1?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