Color

#1c56ba

#1c56ba
hex#1c56ba
rgbrgb(28, 86, 186)
hslhsl(218, 74%, 42%)
oklchoklch(0.478 0.169 260.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1045

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba801c

#1ca5ba · #311cba

#ba1c56 · #56ba1c

Split-complementary

Open in tool →

#ba311c · #a5ba1c

#ba1ca5 · #ba801c · #1cba31

Contrast

#1c56ba as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #1b54b6 as the text (7.02:1)
Aaon black
3.09:1failpassfail
  • AA: use #3373e1 as the text (4.68:1)
  • AAA: use #6897e8 as the text (7.18:1)
  • AA: or shift the background to #d4d4d4 (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 #1c56ba as the background.

Brands using this color

Fonts for this mood

#1c56ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c56ba
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 #1c56ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c56ba-9ca6c4-df644e-201f2d-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