Color

#1780e8

#1780e8
hex#1780e8
rgbrgb(23, 128, 232)
hslhsl(210, 82%, 50%)
oklchoklch(0.601 0.18 253.8)
Closest name: Azure (#007fff)Relative luminance 0.2145

Colors that go with #1780e8

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 →

#e88017

#17e8e8 · #1717e8

#e81780 · #80e817

Split-complementary

Open in tool →

#e81717 · #e8e817

#e817e8 · #e88017 · #17e817

Contrast

#1780e8 as textRatioAAAA largeAAAFix
Aaon white
3.97:1failpassfail
  • AA: use #1575d5 as the text (4.63:1)
  • AAA: use #1059a2 as the text (7.06:1)
  • AA: or shift the background to #171717 (4.52:1)
Aaon black
5.29:1passpassfail
  • AAA: use #4599ed 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 #1780e8 as the background.

Brands using this color

Fonts for this mood

#1780e8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1780e8
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 #1780e8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1780e8-9cabc4-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