Color

#1d5c87

#1d5c87
hex#1d5c87
rgbrgb(29, 92, 135)
hslhsl(204, 65%, 32%)
oklchoklch(0.457 0.094 243)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.0966

Tints & shades

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

Harmonies

Complementary

Open in tool →

#87471d

#1d877c · #1d2787

#871d5c · #5c871d

Split-complementary

Open in tool →

#871d27 · #877c1d

#7c1d87 · #87471d · #27871d

Contrast

#1d5c87 as textRatioAAAA largeAAAFix
Aaon white
7.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #267cb5 as the text (4.63:1)
  • AAA: use #469dd8 as the text (7.07:1)
  • AA: or shift the background to #cfcfcf (4.6:1)
  • AAA: or shift the background to #ffffff (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d5c87 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

#1d5c87 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d5c87
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 #1d5c87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d5c87-9cafc4-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