Color

#2991fa

#2991fa
hex#2991fa
rgbrgb(41, 145, 250)
hslhsl(210, 95%, 57%)
oklchoklch(0.653 0.181 253)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2762

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa9129

#29fafa · #2929fa

#fa2991 · #91fa29

Split-complementary

Open in tool →

#fa2929 · #fafa29

#fa29fa · #fa9129 · #29fa29

Contrast

#2991fa as textRatioAAAA largeAAAFix
Aaon white
3.22:1failpassfail
  • AA: use #0673e0 as the text (4.63:1)
  • AAA: use #0457a9 as the text (7.14:1)
  • AA: or shift the background to #292929 (4.52:1)
Aaon black
6.52:1passpassfail
  • AAA: use #3899fa as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2991fa 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

#2991fa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2991fa
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 #2991fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2991fa-9cabc4-df514e-1f202d-e9f1f1?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