Color

#282ffb

#282ffb
hex#282ffb
rgbrgb(40, 47, 251)
hslhsl(238, 96%, 57%)
oklchoklch(0.484 0.284 268.1)
Closest name: C64 Blue (#003aff)Relative luminance 0.0945

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fbf428

#2898fb · #8a28fb

#fb282f · #2ffb28

Split-complementary

Open in tool →

#fb8a28 · #98fb28

#fb2898 · #fbf428 · #28fb8a

Contrast

#282ffb as textRatioAAAA largeAAAFix
Aaon white
7.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.89:1failfailfail
  • AA: use #5f64fc as the text (4.72:1)
  • AAA: use #878bfd as the text (7.14:1)
  • AA: or shift the background to #cccccc (4.53:1)
  • AAA: or shift the background to #fcfcfc (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #282ffb as the background.

Brands using this color

Fonts for this mood

#282ffb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #282ffb
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 #282ffb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/282ffb-9f9cc4-df944e-251f2d-e9edf1?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