Color

#1633da

#1633da
hex#1633da
rgbrgb(22, 51, 218)
hslhsl(231, 82%, 47%)
oklchoklch(0.446 0.248 265.9)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.076

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dabd16

#1695da · #5a16da

#da1633 · #33da16

Split-complementary

Open in tool →

#da5a16 · #95da16

#da1695 · #dabd16 · #16da5a

Contrast

#1633da as textRatioAAAA largeAAAFix
Aaon white
8.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #536aee as the text (4.66:1)
  • AAA: use #7d8ff2 as the text (7.08:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1633da 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

#1633da reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1633da
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 #1633da and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1633da-9c9ec4-df834e-231f2d-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