Color

#1a4e56

#1a4e56
hex#1a4e56
rgbrgb(26, 78, 86)
hslhsl(188, 54%, 22%)
oklchoklch(0.393 0.056 209.3)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0634

Colors that go with #1a4e56

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 →

#56221a

#1a5640 · #1a3056

#561a4e · #4e561a

Split-complementary

Open in tool →

#561a30 · #56401a

#401a56 · #56221a · #30561a

Contrast

#1a4e56 as textRatioAAAA largeAAAFix
Aaon white
9.26:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #2a808d as the text (4.57:1)
  • AAA: use #36a4b5 as the text (7.13:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • 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 #1a4e56 as the background.

Brands using this color

Fonts for this mood

#1a4e56 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a4e56
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 #1a4e56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a4e56-a2b7be-df4e81-1f252d-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