Color

#455fb0

#455fb0
hex#455fb0
rgbrgb(69, 95, 176)
hslhsl(225, 44%, 48%)
oklchoklch(0.507 0.132 268.1)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1258

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b09545

#4595b0 · #5f45b0

#b0455f · #5fb045

Split-complementary

Open in tool →

#b05f45 · #95b045

#b04595 · #b09545 · #45b05f

Contrast

#455fb0 as textRatioAAAA largeAAAFix
Aaon white
5.97:1passpassfail
  • AAA: use #3c549a as the text (7.17:1)
Aaon black
3.52:1failpassfail
  • AA: use #5a73bf as the text (4.64:1)
  • AAA: use #8295ce as the text (7.14:1)
  • AA: or shift the background to #e0e0e0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #455fb0 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

#455fb0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #455fb0
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 #455fb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/455fb0-9ca1c4-df754e-221f2d-e9eff1?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