Color

#191de6

#191de6
hex#191de6
rgbrgb(25, 29, 230)
hslhsl(239, 80%, 50%)
oklchoklch(0.438 0.276 266.6)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.068

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e6e219

#1983e6 · #7c19e6

#e6191d · #1de619

Split-complementary

Open in tool →

#e67c19 · #83e619

#e61983 · #e6e219 · #19e67c

Contrast

#191de6 as textRatioAAAA largeAAAFix
Aaon white
8.9:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #6365ee as the text (4.63:1)
  • AAA: use #8c8ef2 as the text (7.27:1)
  • AA: or shift the background to #bababa (4.59:1)
  • AAA: or shift the background to #e6e6e6 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191de6 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

#191de6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191de6
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 #191de6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191de6-a09cc4-df964e-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