Color

#1b567e

#1b567e
hex#1b567e
rgbrgb(27, 86, 126)
hslhsl(204, 65%, 30%)
oklchoklch(0.436 0.089 242.8)
Closest name: Beyond the Sea (#005784)Relative luminance 0.0839

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7e431b

#1b7e74 · #1b257e

#7e1b56 · #567e1b

Split-complementary

Open in tool →

#7e1b25 · #7e741b

#741b7e · #7e431b · #257e1b

Contrast

#1b567e as textRatioAAAA largeAAAFix
Aaon white
7.84:1passpasspassPasses AAA — no fix needed.
Aaon black
2.68:1failfailfail
  • AA: use #267cb5 as the text (4.63:1)
  • AAA: use #469dd8 as the text (7.07:1)
  • AA: or shift the background to #c7c7c7 (4.64:1)
  • AAA: or shift the background to #f2f2f2 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b567e 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

#1b567e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b567e
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 #1b567e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b567e-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