Color

#0b272d

#0b272d
hex#0b272d
rgbrgb(11, 39, 45)
hslhsl(191, 61%, 11%)
oklchoklch(0.255 0.035 214.1)
Closest name: Black Box (#0f282f)Relative luminance 0.0171

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2d110b

#0b2d22 · #0b162d

#2d0b27 · #272d0b

Split-complementary

Open in tool →

#2d0b16 · #2d220b

#220b2d · #2d110b · #162d0b

Contrast

#0b272d as textRatioAAAA largeAAAFix
Aaon white
15.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #247f94 as the text (4.54:1)
  • AAA: use #2ea3bd as the text (7.09:1)
  • AA: or shift the background to #8a8a8a (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b272d 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

#0b272d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b272d
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 #0b272d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b272d-a2b6be-df4e7a-1f252d-e9f1ef?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