Color

#2873dc

#2873dc
hex#2873dc
rgbrgb(40, 115, 220)
hslhsl(215, 72%, 51%)
oklchoklch(0.568 0.177 258)
Closest name: royalblue (#4169e1)Relative luminance 0.1788

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dc9128

#28cddc · #3728dc

#dc2873 · #73dc28

Split-complementary

Open in tool →

#dc3728 · #cddc28

#dc28cd · #dc9128 · #28dc37

Contrast

#2873dc as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #1b55a7 as the text (7.23:1)
Aaon black
4.58:1passpassfail
  • AAA: use #6198e5 as the text (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 #2873dc 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

#2873dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2873dc
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 #2873dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2873dc-9ca8c4-df5d4e-201f2d-e9f0f1?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