Color

#2154ed

#2154ed
hex#2154ed
rgbrgb(33, 84, 237)
hslhsl(225, 85%, 53%)
oklchoklch(0.519 0.236 264.7)
Closest name: Blue Ribbon (#0066ff)Relative luminance 0.1278

Tints & shades

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

Harmonies

Complementary

Open in tool →

#edba21

#21baed · #5421ed

#ed2154 · #54ed21

Split-complementary

Open in tool →

#ed5421 · #baed21

#ed21ba · #edba21 · #21ed54

Contrast

#2154ed as textRatioAAAA largeAAAFix
Aaon white
5.91:1passpassfail
Aaon black
3.56:1failpassfail
  • AA: use #3e6aef as the text (4.51:1)
  • AAA: use #7192f4 as the text (7.12:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2154ed as the background.

Brands using this color

Fonts for this mood

#2154ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2154ed
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 #2154ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2154ed-9ca1c4-df754e-221f2d-e9eff1?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