Color

#0057a8

#0057a8
hex#0057a8
rgbrgb(0, 87, 168)
hslhsl(209, 100%, 33%)
oklchoklch(0.461 0.148 254.3)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0964

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a85100

#00a8a5 · #0003a8

#a80057 · #57a800

Split-complementary

Open in tool →

#a80003 · #a8a500

#a500a8 · #a85100 · #03a800

Contrast

#0057a8 as textRatioAAAA largeAAAFix
Aaon white
7.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.93:1failfailfail
  • AA: use #0074e0 as the text (4.57:1)
  • AAA: use #2e9aff as the text (7.18:1)
  • AA: or shift the background to #cfcfcf (4.6:1)
  • AAA: or shift the background to #ffffff (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0057a8 as the background.

Brands using this color

Fonts for this mood

#0057a8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0057a8
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 #0057a8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0057a8-9cacc4-df4e4e-1f212d-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