Color

#2180fd

#2180fd
hex#2180fd
rgbrgb(33, 128, 253)
hslhsl(214, 98%, 56%)
oklchoklch(0.617 0.205 257.7)
Closest name: Azure (#007fff)Relative luminance 0.2285

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd9d21

#21eefd · #3021fd

#fd2180 · #80fd21

Split-complementary

Open in tool →

#fd3021 · #eefd21

#fd21ee · #fd9d21 · #21fd30

Contrast

#2180fd as textRatioAAAA largeAAAFix
Aaon white
3.77:1failpassfail
  • AA: use #026df7 as the text (4.63:1)
  • AAA: use #0252bb as the text (7.17:1)
  • AA: or shift the background to #1c1c1c (4.52:1)
Aaon black
5.57:1passpassfail
  • AAA: use #4997fd as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2180fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#2180fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2180fd
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 #2180fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2180fd-9ca9c4-df5a4e-1f1f2d-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