Color

#0d293a

#0d293a
hex#0d293a
rgbrgb(13, 41, 58)
hslhsl(203, 63%, 14%)
oklchoklch(0.269 0.046 238.6)
Closest name: Black Box (#0f282f)Relative luminance 0.0198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a1e0d

#0d3a35 · #0d123a

#3a0d29 · #293a0d

Split-complementary

Open in tool →

#3a0d12 · #3a350d

#350d3a · #3a1e0d · #123a0d

Contrast

#0d293a as textRatioAAAA largeAAAFix
Aaon white
15.05:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #287baf as the text (4.54:1)
  • AAA: use #449dd5 as the text (7.03:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d293a 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

#0d293a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d293a
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 #0d293a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d293a-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