Color

#1a87f4

#1a87f4
hex#1a87f4
rgbrgb(26, 135, 244)
hslhsl(210, 91%, 53%)
oklchoklch(0.625 0.187 253.9)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2408

Colors that go with #1a87f4

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 →

#f4871a

#1af4f4 · #1a1af4

#f41a87 · #87f41a

Split-complementary

Open in tool →

#f41a1a · #f4f41a

#f41af4 · #f4871a · #1af41a

Contrast

#1a87f4 as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #0b75e0 as the text (4.53:1)
  • AAA: use #0857a6 as the text (7.18:1)
  • AA: or shift the background to #1f1f1f (4.56:1)
Aaon black
5.82:1passpassfail
  • AAA: use #3c99f6 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a87f4 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1a87f4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a87f4
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 #1a87f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a87f4-9cabc4-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