Color

#191ea9

#191ea9
hex#191ea9
rgbrgb(25, 30, 169)
hslhsl(238, 74%, 38%)
oklchoklch(0.363 0.209 268.4)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.04

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a9a419

#1966a9 · #5c19a9

#a9191e · #1ea919

Split-complementary

Open in tool →

#a95c19 · #66a919

#a91966 · #a9a419 · #19a95c

Contrast

#191ea9 as textRatioAAAA largeAAAFix
Aaon white
11.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #6468e8 as the text (4.69:1)
  • AAA: use #8c8fee as the text (7.28:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #191ea9 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

#191ea9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #191ea9
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 #191ea9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/191ea9-9f9cc4-df944e-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