Color

#054e57

#054e57
hex#054e57
rgbrgb(5, 78, 87)
hslhsl(187, 89%, 18%)
oklchoklch(0.389 0.065 208.5)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0617

Colors that go with #054e57

Crimson, Steel Blue and Blue 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 →

#570f05

#055737 · #052457

#57054d · #4d5705

Split-complementary

Open in tool →

#570524 · #573705

#370557 · #570f05 · #245705

Contrast

#054e57 as textRatioAAAA largeAAAFix
Aaon white
9.4:1passpasspassPasses AAA — no fix needed.
Aaon black
2.23:1failfailfail
  • AA: use #088191 as the text (4.56:1)
  • AAA: use #0ba7bc as the text (7.27:1)
  • AA: or shift the background to #b5b5b5 (4.58:1)
  • AAA: or shift the background to #e0e0e0 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #054e57 as the background.

Brands using this color

Fonts for this mood

#054e57 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #054e57
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 #054e57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/054e57-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