brandsweets

Color

#1d78cd

#1d78cd
hex#1d78cd
rgbrgb(29, 120, 205)
hslhsl(209, 75%, 46%)
oklchoklch(0.566 0.154 251.8)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.181
CoolVividTechnicalModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
1d78cdcd721d

#cd721d

Analogous

Open in tool →
1d78cd1dcdca1d20cd

#1dcdca · #1d20cd

Triadic

Open in tool →
1d78cdcd1d7878cd1d

#cd1d78 · #78cd1d

Split-complementary

Open in tool →
1d78cdcd1d20cdca1d

#cd1d20 · #cdca1d

Tetradic

Open in tool →
1d78cdca1dcdcd721d20cd1d

#ca1dcd · #cd721d · #20cd1d

Contrast

#1d78cd as textRatioAAAA largeAAAFix
Aaon white
4.55:1passpassfail
  • AAA: use #165998 as the text (7.2:1)
Aaon black
4.62:1passpassfail
  • AAA: use #4c9ce6 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d78cd as the background.

Brands using this color

Fonts for this mood

#1d78cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #1d78cd
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 #1d78cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d78cd-9cacc4-df4e4e-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