Color

#1d80e2

#1d80e2
hex#1d80e2
rgbrgb(29, 128, 226)
hslhsl(210, 77%, 50%)
oklchoklch(0.598 0.172 253.2)
Closest name: Azure (#007fff)Relative luminance 0.2119

Colors that go with #1d80e2

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 →

#e2801d

#1de2e2 · #1d1de2

#e21d80 · #80e21d

Split-complementary

Open in tool →

#e21d1d · #e2e21d

#e21de2 · #e2801d · #1de21d

Contrast

#1d80e2 as textRatioAAAA largeAAAFix
Aaon white
4.01:1failpassfail
  • AA: use #1b75d0 as the text (4.66:1)
  • AAA: use #15599e as the text (7.11:1)
  • AA: or shift the background to #141414 (4.6:1)
Aaon black
5.24:1passpassfail
  • AAA: use #4a99e8 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d80e2 as the background.

Brands using this color

Fonts for this mood

#1d80e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d80e2
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 #1d80e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d80e2-9cabc4-df514e-1f202d-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