Color

#258efe

#258efe
hex#258efe
rgbrgb(37, 142, 254)
hslhsl(211, 99%, 57%)
oklchoklch(0.648 0.19 254.3)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.269

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fe9525

#25fafe · #2825fe

#fe258e · #8efe25

Split-complementary

Open in tool →

#fe2825 · #fafe25

#fe25fa · #fe9525 · #25fe28

Contrast

#258efe as textRatioAAAA largeAAAFix
Aaon white
3.29:1failpassfail
  • AA: use #0171e9 as the text (4.63:1)
  • AAA: use #0156b2 as the text (7.06:1)
  • AA: or shift the background to #262626 (4.6:1)
Aaon black
6.38:1passpassfail
  • AAA: use #3998fe as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #258efe as the background.

Brands using this color

Fonts for this mood

#258efe reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #258efe
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 #258efe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258efe-9cabc4-df534e-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