Color

#0458cd

#0458cd
hex#0458cd
rgbrgb(4, 88, 205)
hslhsl(215, 96%, 41%)
oklchoklch(0.494 0.195 259.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1141

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd7904

#04bccd · #1504cd

#cd0458 · #58cd04

Split-complementary

Open in tool →

#cd1504 · #bccd04

#cd04bc · #cd7904 · #04cd15

Contrast

#0458cd as textRatioAAAA largeAAAFix
Aaon white
6.4:1passpassfail
  • AAA: use #0451be as the text (7.18:1)
Aaon black
3.28:1failpassfail
  • AA: use #0a6efa as the text (4.62:1)
  • AAA: use #5097fb as the text (7.16:1)
  • AA: or shift the background to #d9d9d9 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0458cd as the background.

Brands using this color

Fonts for this mood

#0458cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0458cd
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 #0458cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0458cd-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