Color

#1c19b8

#1c19b8
hex#1c19b8
rgbrgb(28, 25, 184)
hslhsl(241, 76%, 41%)
oklchoklch(0.378 0.229 268.7)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.044

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b5b819

#1966b8 · #6b19b8

#b81c19 · #19b81c

Split-complementary

Open in tool →

#b86b19 · #66b819

#b81966 · #b5b819 · #19b86b

Contrast

#1c19b8 as textRatioAAAA largeAAAFix
Aaon white
11.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.88:1failfailfail
  • AA: use #6966ea as the text (4.69:1)
  • AAA: use #908ff0 as the text (7.37:1)
  • AA: or shift the background to #a6a6a6 (4.59:1)
  • AAA: or shift the background to #cfcfcf (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1c19b8 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

#1c19b8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1c19b8
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 #1c19b8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1c19b8-a19cc4-df9b4e-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