Color

#1981a4

#1981a4
hex#1981a4
rgbrgb(25, 129, 164)
hslhsl(195, 74%, 37%)
oklchoklch(0.564 0.102 226.9)
Closest name: Ahoy! Blue (#0082a1)Relative luminance 0.1859

Colors that go with #1981a4

Charcoal, Copper and Crimson 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 →

#a43b19

#19a481 · #193ba4

#a41981 · #81a419

Split-complementary

Open in tool →

#a4193b · #a48119

#8119a4 · #a43b19 · #3ba419

Contrast

#1981a4 as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #187ea0 as the text (4.63:1)
  • AAA: use #125e78 as the text (7.25:1)
  • AA: or shift the background to #050505 (4.58:1)
Aaon black
4.72:1passpassfail
  • AAA: use #1ea1cc 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 #1981a4 as the background.

Brands using this color

Fonts for this mood

#1981a4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1981a4
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 #1981a4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1981a4-9cb5c4-df4e70-1f242d-e9f1ef?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