Color

#1283bf

#1283bf
hex#1283bf
rgbrgb(18, 131, 191)
hslhsl(201, 83%, 41%)
oklchoklch(0.582 0.129 240.2)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2012

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf4f12

#12bfa5 · #122cbf

#bf1283 · #83bf12

Split-complementary

Open in tool →

#bf122c · #bfa512

#a512bf · #bf4f12 · #2cbf12

Contrast

#1283bf as textRatioAAAA largeAAAFix
Aaon white
4.18:1failpassfail
  • AA: use #117cb6 as the text (4.58:1)
  • AAA: use #0d5c87 as the text (7.25:1)
  • AA: or shift the background to #0f0f0f (4.59:1)
Aaon black
5.02:1passpassfail
  • AAA: use #169fe9 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 #1283bf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#1283bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1283bf
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 #1283bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1283bf-9cb1c4-df4e62-1f222d-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