Color

#0d4e5e

#0d4e5e
hex#0d4e5e
rgbrgb(13, 78, 94)
hslhsl(192, 76%, 21%)
oklchoklch(0.393 0.066 219.2)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0634

Colors that go with #0d4e5e

Crimson, Steel Blue 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 →

#5e1d0d

#0d5e46 · #0d255e

#5e0d4e · #4e5e0d

Split-complementary

Open in tool →

#5e0d25 · #5e460d

#460d5e · #5e1d0d · #255e0d

Contrast

#0d4e5e as textRatioAAAA largeAAAFix
Aaon white
9.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #15829d as the text (4.71:1)
  • AAA: use #1ba3c5 as the text (7.09:1)
  • AA: or shift the background to #b5b5b5 (4.51:1)
  • AAA: or shift the background to #e0e0e0 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d4e5e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0d4e5e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d4e5e
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 #0d4e5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d4e5e-a2b5be-df4e77-1f242d-e9f1ef?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