Color

#05434d

#05434d
hex#05434d
rgbrgb(5, 67, 77)
hslhsl(188, 88%, 16%)
oklchoklch(0.352 0.059 212)
Closest name: Cold and Dark (#154250)Relative luminance 0.0458

Colors that go with #05434d

Steel Blue, Teal and Rust 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 →

#4d0e05

#054d32 · #051f4d

#4d0543 · #434d05

Split-complementary

Open in tool →

#4d051f · #4d3205

#32054d · #4d0e05 · #1f4d05

Contrast

#05434d as textRatioAAAA largeAAAFix
Aaon white
10.96:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #098295 as the text (4.64:1)
  • AAA: use #0ca4bb as the text (7.04:1)
  • AA: or shift the background to #a6a6a6 (4.5:1)
  • AAA: or shift the background to #cfcfcf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #05434d as the background.

Brands using this color

Fonts for this mood

#05434d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #05434d
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 #05434d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05434d-a2b7be-df4e81-1f252d-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