Color

#1280ca

#1280ca
hex#1280ca
rgbrgb(18, 128, 202)
hslhsl(204, 84%, 43%)
oklchoklch(0.581 0.144 246.1)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1983

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca5b12

#12cab7 · #1224ca

#ca1280 · #80ca12

Split-complementary

Open in tool →

#ca1224 · #cab712

#b712ca · #ca5b12 · #24ca12

Contrast

#1280ca as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #117ac0 as the text (4.6:1)
  • AAA: use #0d5c91 as the text (7.1:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.97:1passpassfail
  • AAA: use #279dec as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1280ca as the background.

Brands using this color

Fonts for this mood

#1280ca reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1280ca
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 #1280ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1280ca-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