Color

#258ff8

#258ff8
hex#258ff8
rgbrgb(37, 143, 248)
hslhsl(210, 94%, 56%)
oklchoklch(0.647 0.181 252.9)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2682

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f88f25

#25f8f8 · #2525f8

#f8258f · #8ff825

Split-complementary

Open in tool →

#f82525 · #f8f825

#f825f8 · #f88f25 · #25f825

Contrast

#258ff8 as textRatioAAAA largeAAAFix
Aaon white
3.3:1failpassfail
  • AA: use #0773df as the text (4.64:1)
  • AAA: use #0557a8 as the text (7.15:1)
  • AA: or shift the background to #262626 (4.59:1)
Aaon black
6.36:1passpassfail
  • AAA: use #3999f9 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 #258ff8 as the background.

Brands using this color

Fonts for this mood

#258ff8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #258ff8
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 #258ff8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/258ff8-9cabc4-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