Color

#057cb3

#057cb3
hex#057cb3
rgbrgb(5, 124, 179)
hslhsl(199, 95%, 36%)
oklchoklch(0.557 0.123 238.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.177

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b33c05

#05b393 · #0525b3

#b3057c · #7cb305

Split-complementary

Open in tool →

#b30525 · #b39305

#9305b3 · #b33c05 · #25b305

Contrast

#057cb3 as textRatioAAAA largeAAAFix
Aaon white
4.63:1passpassfail
  • AAA: use #035d86 as the text (7.21:1)
Aaon black
4.54:1passpassfail
  • AAA: use #069ee5 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 #057cb3 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#057cb3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #057cb3
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #057cb3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/057cb3-9cb3c4-df4e66-1f232d-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