Color

#1d87cd

#1d87cd
hex#1d87cd
rgbrgb(29, 135, 205)
hslhsl(204, 75%, 46%)
oklchoklch(0.601 0.139 244.3)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.22

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd641d

#1dcdbc · #1d2fcd

#cd1d87 · #87cd1d

Split-complementary

Open in tool →

#cd1d2f · #cdbc1d

#bc1dcd · #cd641d · #2fcd1d

Contrast

#1d87cd as textRatioAAAA largeAAAFix
Aaon white
3.89:1failpassfail
  • AA: use #1b7bbb as the text (4.57:1)
  • AAA: use #145b8a as the text (7.26:1)
  • AA: or shift the background to #171717 (4.61:1)
Aaon black
5.4:1passpassfail
  • AAA: use #369de2 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d87cd as the background.

Brands using this color

Fonts for this mood

#1d87cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d87cd
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 #1d87cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d87cd-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