Color

#0b293c

#0b293c
hex#0b293c
rgbrgb(11, 41, 60)
hslhsl(203, 69%, 14%)
oklchoklch(0.269 0.05 240.3)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3c1e0b

#0b3c37 · #0b113c

#3c0b29 · #293c0b

Split-complementary

Open in tool →

#3c0b11 · #3c370b

#370b3c · #3c1e0b · #113c0b

Contrast

#0b293c as textRatioAAAA largeAAAFix
Aaon white
15.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #217cb5 as the text (4.61:1)
  • AAA: use #399ddb as the text (7.02:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b293c 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

#0b293c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b293c
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 #0b293c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b293c-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