Color

#1b85ee

#1b85ee
hex#1b85ee
rgbrgb(27, 133, 238)
hslhsl(210, 86%, 52%)
oklchoklch(0.617 0.182 253.5)
Closest name: Azure (#007fff)Relative luminance 0.2318

Colors that go with #1b85ee

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 →

#ee851b

#1beeee · #1b1bee

#ee1b85 · #85ee1b

Split-complementary

Open in tool →

#ee1b1b · #eeee1b

#ee1bee · #ee851b · #1bee1b

Contrast

#1b85ee as textRatioAAAA largeAAAFix
Aaon white
3.73:1failpassfail
  • AA: use #1075da as the text (4.59:1)
  • AAA: use #0c59a6 as the text (7.01:1)
  • AA: or shift the background to #1c1c1c (4.57:1)
Aaon black
5.64:1passpassfail
  • AAA: use #4199f1 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b85ee as the background.

Brands using this color

Fonts for this mood

#1b85ee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b85ee
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 #1b85ee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b85ee-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