Color

#1788cf

#1788cf
hex#1788cf
rgbrgb(23, 136, 207)
hslhsl(203, 80%, 45%)
oklchoklch(0.604 0.142 243.9)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.223

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cf5d17

#17cfb9 · #172ccf

#cf1788 · #88cf17

Split-complementary

Open in tool →

#cf172c · #cfb917

#b917cf · #cf5d17 · #2ccf17

Contrast

#1788cf as textRatioAAAA largeAAAFix
Aaon white
3.85:1failpassfail
  • AA: use #157cbc as the text (4.52:1)
  • AAA: use #0f5b8a as the text (7.28:1)
  • AA: or shift the background to #1a1a1a (4.52:1)
Aaon black
5.46:1passpassfail
  • AAA: use #279ee7 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1788cf as the background.

Brands using this color

Fonts for this mood

#1788cf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1788cf
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 #1788cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1788cf-9cb0c4-df4e5d-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