Color

#057fd1

#057fd1
hex#057fd1
rgbrgb(5, 127, 209)
hslhsl(204, 95%, 42%)
oklchoklch(0.582 0.155 247.9)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1981

Colors that go with #057fd1

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 →

#d15705

#05d1bc · #051ad1

#d1057f · #7fd105

Split-complementary

Open in tool →

#d1051a · #d1bc05

#bc05d1 · #d15705 · #1ad105

Contrast

#057fd1 as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #0579c7 as the text (4.6:1)
  • AAA: use #045b95 as the text (7.15:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #057fd1 as the background.

Brands using this color

Fonts for this mood

#057fd1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #057fd1
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 #057fd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/057fd1-9cafc4-df4e5a-1f222d-e9f1f0?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