Color

#0b4e6a

#0b4e6a
hex#0b4e6a
rgbrgb(11, 78, 106)
hslhsl(198, 81%, 23%)
oklchoklch(0.399 0.077 232.6)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0656

Colors that go with #0b4e6a

Crimson, Royal Blue and Teal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a280b

#0b6a57 · #0b1e6a

#6a0b4e · #4e6a0b

Split-complementary

Open in tool →

#6a0b1e · #6a570b

#570b6a · #6a280b · #1e6a0b

Contrast

#0b4e6a as textRatioAAAA largeAAAFix
Aaon white
9.08:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #127dab as the text (4.55:1)
  • AAA: use #17a2de as the text (7.26:1)
  • AA: or shift the background to #b8b8b8 (4.58:1)
  • AAA: or shift the background to #e3e3e3 (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 #0b4e6a 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

#0b4e6a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b4e6a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0b4e6a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b4e6a-9cb3c4-df4e69-1f232d-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