Color

#1756b5

#1756b5
hex#1756b5
rgbrgb(23, 86, 181)
hslhsl(216, 77%, 40%)
oklchoklch(0.473 0.163 259.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b57617

#17a5b5 · #2717b5

#b51756 · #56b517

Split-complementary

Open in tool →

#b52717 · #a5b517

#b517a5 · #b57617 · #17b527

Contrast

#1756b5 as textRatioAAAA largeAAAFix
Aaon white
6.92:1passpassfail
  • AAA: use #1754b0 as the text (7.16:1)
Aaon black
3.03:1failpassfail
  • AA: use #2672e3 as the text (4.6:1)
  • AAA: use #6198ea as the text (7.19:1)
  • AA: or shift the background to #d1d1d1 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1756b5 as the background.

Brands using this color

Fonts for this mood

#1756b5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1756b5
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 #1756b5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1756b5-9ca7c4-df5f4e-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