Color

#1981d7

#1981d7
hex#1981d7
rgbrgb(25, 129, 215)
hslhsl(207, 79%, 47%)
oklchoklch(0.593 0.158 249.9)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.2081

Colors that go with #1981d7

Charcoal, Crimson and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d76e19

#19d7cd · #1923d7

#d71981 · #81d719

Split-complementary

Open in tool →

#d71923 · #d7cd19

#cd19d7 · #d76e19 · #23d719

Contrast

#1981d7 as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #1879c9 as the text (4.55:1)
  • AAA: use #125b97 as the text (7.07:1)
  • AA: or shift the background to #141414 (4.53:1)
Aaon black
5.16:1passpassfail
  • AAA: use #3f9ce9 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1981d7 as the background.

Brands using this color

Fonts for this mood

#1981d7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1981d7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1981d7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1981d7-9cadc4-df4e53-1f212d-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