Color

#187fcd

#187fcd
hex#187fcd
rgbrgb(24, 127, 205)
hslhsl(206, 79%, 45%)
oklchoklch(0.582 0.148 248)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1978

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd6718

#18cdc1 · #1824cd

#cd187f · #7fcd18

Split-complementary

Open in tool →

#cd1824 · #cdc118

#c118cd · #cd6718 · #24cd18

Contrast

#187fcd as textRatioAAAA largeAAAFix
Aaon white
4.24:1failpassfail
  • AA: use #1779c4 as the text (4.6:1)
  • AAA: use #115a92 as the text (7.24:1)
  • AA: or shift the background to #0f0f0f (4.52:1)
Aaon black
4.96:1passpassfail
  • AAA: use #3b9de8 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #187fcd as the background.

Brands using this color

Fonts for this mood

#187fcd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #187fcd
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 #187fcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/187fcd-9caec4-df4e56-1f212d-e9f1f1?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