Color

#1a577f

#1a577f
hex#1a577f
rgbrgb(26, 87, 127)
hslhsl(204, 66%, 30%)
oklchoklch(0.438 0.09 242.2)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0857

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f421a

#1a7f75 · #1a247f

#7f1a57 · #577f1a

Split-complementary

Open in tool →

#7f1a24 · #7f751a

#751a7f · #7f421a · #247f1a

Contrast

#1a577f as textRatioAAAA largeAAAFix
Aaon white
7.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.71:1failfailfail
  • AA: use #257cb6 as the text (4.64:1)
  • AAA: use #459ed9 as the text (7.15:1)
  • AA: or shift the background to #c7c7c7 (4.58:1)
  • AAA: or shift the background to #f5f5f5 (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 #1a577f 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

#1a577f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a577f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1a577f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a577f-9cafc4-df4e5a-1f222d-e9f1f0?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