Color

#1828bf

#1828bf
hex#1828bf
rgbrgb(24, 40, 191)
hslhsl(234, 78%, 42%)
oklchoklch(0.401 0.227 267.1)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0547

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfae18

#187cbf · #5a18bf

#bf1828 · #28bf18

Split-complementary

Open in tool →

#bf5a18 · #7cbf18

#bf187c · #bfae18 · #18bf5a

Contrast

#1828bf as textRatioAAAA largeAAAFix
Aaon white
10.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #5c6aeb as the text (4.72:1)
  • AAA: use #848ff0 as the text (7.17:1)
  • AA: or shift the background to #b0b0b0 (4.62:1)
  • AAA: or shift the background to #d9d9d9 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1828bf 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

#1828bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1828bf
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 #1828bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1828bf-9d9cc4-df8a4e-241f2d-e9eef1?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