Color

#2591fe

#2591fe
hex#2591fe
rgbrgb(37, 145, 254)
hslhsl(210, 99%, 57%)
oklchoklch(0.655 0.187 253.3)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.278

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fe9125

#25fefe · #2525fe

#fe2591 · #91fe25

Split-complementary

Open in tool →

#fe2525 · #fefe25

#fe25fe · #fe9125 · #25fe25

Contrast

#2591fe as textRatioAAAA largeAAAFix
Aaon white
3.2:1failpassfail
  • AA: use #0173e4 as the text (4.59:1)
  • AAA: use #0157ad as the text (7.08:1)
  • AA: or shift the background to #292929 (4.54:1)
Aaon black
6.56:1passpassfail
  • AAA: use #3499fe 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 #2591fe 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

#2591fe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2591fe
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 #2591fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2591fe-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