Color

#045158

#045158
hex#045158
rgbrgb(4, 81, 88)
hslhsl(185, 91%, 18%)
oklchoklch(0.397 0.066 205.1)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0662

Colors that go with #045158

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.

Real palettes that use #045158

Tints & shades

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

Harmonies

Complementary

Open in tool →

#580b04

#045835 · #042758

#580451 · #515804

Split-complementary

Open in tool →

#580427 · #583504

#350458 · #580b04 · #275804

Contrast

#045158 as textRatioAAAA largeAAAFix
Aaon white
9.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #07828d as the text (4.59:1)
  • AAA: use #08a6b4 as the text (7.12:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045158 as the background.

Brands using this color

Fonts for this mood

#045158 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045158
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 #045158 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045158-a2b8be-df4e88-1f262d-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