Color

#2d28c8

#2d28c8
hex#2d28c8
rgbrgb(45, 40, 200)
hslhsl(242, 67%, 47%)
oklchoklch(0.42 0.232 271.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0625

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c3c828

#2872c8 · #7d28c8

#c82d28 · #28c82d

Split-complementary

Open in tool →

#c87d28 · #72c828

#c82872 · #c3c828 · #28c87d

Contrast

#2d28c8 as textRatioAAAA largeAAAFix
Aaon white
9.34:1passpasspassPasses AAA — no fix needed.
Aaon black
2.25:1failfailfail
  • AA: use #6a66e1 as the text (4.6:1)
  • AAA: use #8f8ce8 as the text (7.08:1)
  • AA: or shift the background to #b5b5b5 (4.55:1)
  • AAA: or shift the background to #e0e0e0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d28c8 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

#2d28c8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d28c8
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 #2d28c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d28c8-a29cc4-df9e4e-261f2d-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