Color

#2828eb

#2828eb
hex#2828eb
rgbrgb(40, 40, 235)
hslhsl(240, 83%, 54%)
oklchoklch(0.459 0.272 268.8)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0797

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ebeb28

#288aeb · #8a28eb

#eb2828 · #28eb28

Split-complementary

Open in tool →

#eb8a28 · #8aeb28

#eb288a · #ebeb28 · #28eb8a

Contrast

#2828eb as textRatioAAAA largeAAAFix
Aaon white
8.1:1passpasspassPasses AAA — no fix needed.
Aaon black
2.59:1failfailfail
  • AA: use #6565f1 as the text (4.68:1)
  • AAA: use #8a8af4 as the text (7.02:1)
  • AA: or shift the background to #c2c2c2 (4.55:1)
  • AAA: or shift the background to #f0f0f0 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2828eb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#2828eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2828eb
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 #2828eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2828eb-a19cc4-df994e-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