Color

#004e5b

#004e5b
hex#004e5b
rgbrgb(0, 78, 91)
hslhsl(189, 100%, 18%)
oklchoklch(0.39 0.068 213.7)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.062

Colors that go with #004e5b

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 →

#5c0e00

#005c3c · #00205c

#5c004e · #4e5c00

Split-complementary

Open in tool →

#5c0020 · #5c3c00

#3c005c · #5c0e00 · #205c00

Contrast

#004e5b as textRatioAAAA largeAAAFix
Aaon white
9.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #008299 as the text (4.65:1)
  • AAA: use #00a5c2 as the text (7.16:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #004e5b as the background.

Brands using this color

Fonts for this mood

#004e5b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #004e5b
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 #004e5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/004e5b-a2b7be-df4e7e-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