Color

#1057da

#1057da
hex#1057da
rgbrgb(16, 87, 218)
hslhsl(219, 86%, 46%)
oklchoklch(0.504 0.211 261.7)
Closest name: Denim (#1560bd)Relative luminance 0.1199

Colors that go with #1057da

Charcoal, Crimson and Amber 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 →

#da9410

#10bcda · #2f10da

#da1057 · #57da10

Split-complementary

Open in tool →

#da2f10 · #bcda10

#da10bc · #da9410 · #10da2f

Contrast

#1057da as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #0f4fc7 as the text (7.09:1)
Aaon black
3.4:1failpassfail
  • AA: use #2a6fef as the text (4.62:1)
  • AAA: use #6295f3 as the text (7.11:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1057da as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1057da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1057da
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 #1057da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1057da-9ca5c4-df664e-211f2d-e9f0f1?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