Color

#1815b2

#1815b2
hex#1815b2
rgbrgb(24, 21, 178)
hslhsl(241, 79%, 39%)
oklchoklch(0.365 0.226 268.1)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0394

Tints & shades

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

Harmonies

Complementary

Open in tool →

#afb215

#1561b2 · #6615b2

#b21815 · #15b218

Split-complementary

Open in tool →

#b26615 · #61b215

#b21561 · #afb215 · #15b266

Contrast

#1815b2 as textRatioAAAA largeAAAFix
Aaon white
11.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.79:1failfailfail
  • AA: use #6664ed as the text (4.61:1)
  • AAA: use #8f8df2 as the text (7.26:1)
  • AA: or shift the background to #a1a1a1 (4.54:1)
  • AAA: or shift the background to #c9c9c9 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1815b2 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

#1815b2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1815b2
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 #1815b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1815b2-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