Color

#01515f

#01515f
hex#01515f
rgbrgb(1, 81, 95)
hslhsl(189, 98%, 19%)
oklchoklch(0.4 0.07 214.5)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0672

Colors that go with #01515f

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 →

#600f01

#01603f · #012260

#600152 · #526001

Split-complementary

Open in tool →

#600122 · #603f01

#3f0160 · #600f01 · #226001

Contrast

#01515f as textRatioAAAA largeAAAFix
Aaon white
8.96:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #028197 as the text (4.59:1)
  • AAA: use #02a3c0 as the text (7:1)
  • AA: or shift the background to #b8b8b8 (4.52:1)
  • AAA: or shift the background to #e6e6e6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01515f as the background.

Brands using this color

Fonts for this mood

#01515f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01515f
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 #01515f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01515f-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