Color

#1981c2

#1981c2
hex#1981c2
rgbrgb(25, 129, 194)
hslhsl(203, 77%, 43%)
oklchoklch(0.58 0.133 243.3)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.198

Colors that go with #1981c2

Charcoal, Copper and Amber 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 →

#c25a19

#19c2ae · #192dc2

#c21981 · #81c219

Split-complementary

Open in tool →

#c2192d · #c2ae19

#ae19c2 · #c25a19 · #2dc219

Contrast

#1981c2 as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #187bb9 as the text (4.59:1)
  • AAA: use #125d8c as the text (7.07:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail
  • AAA: use #2b9de3 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1981c2 as the background.

Brands using this color

Fonts for this mood

#1981c2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1981c2
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 #1981c2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1981c2-9cb0c4-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