Color

#0b444b

#0b444b
hex#0b444b
rgbrgb(11, 68, 75)
hslhsl(187, 74%, 17%)
oklchoklch(0.356 0.056 207.5)
Closest name: Cold and Dark (#154250)Relative luminance 0.0471

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4b130b

#0b4b33 · #0b244b

#4b0b44 · #444b0b

Split-complementary

Open in tool →

#4b0b24 · #4b330b

#330b4b · #4b130b · #244b0b

Contrast

#0b444b as textRatioAAAA largeAAAFix
Aaon white
10.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #15808e as the text (4.51:1)
  • AAA: use #1ba4b6 as the text (7.03:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b444b as the background.

Brands using this color

Fonts for this mood

#0b444b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b444b
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 #0b444b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b444b-a2b8be-df4e83-1f262d-e9f1ee?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