Color

#191bae

#191bae
hex#191bae
rgbrgb(25, 27, 174)
hslhsl(239, 75%, 39%)
oklchoklch(0.366 0.217 268.3)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0405

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aeac19

#1966ae · #6119ae

#ae191b · #1bae19

Split-complementary

Open in tool →

#ae6119 · #66ae19

#ae1966 · #aeac19 · #19ae61

Contrast

#191bae as textRatioAAAA largeAAAFix
Aaon white
11.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.81:1failfailfail
  • AA: use #6365e9 as the text (4.57:1)
  • AAA: use #8b8dee as the text (7.14:1)
  • AA: or shift the background to #a3a3a3 (4.6:1)
  • AAA: or shift the background to #c9c9c9 (7.01:1)

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

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

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

tool url/palettes/new/191bae-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