Color

#455ca1

#455ca1
hex#455ca1
rgbrgb(69, 92, 161)
hslhsl(225, 40%, 45%)
oklchoklch(0.491 0.114 268.1)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1149

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a18a45

#458aa1 · #5c45a1

#a1455c · #5ca145

Split-complementary

Open in tool →

#a15c45 · #8aa145

#a1458a · #a18a45 · #45a15c

Contrast

#455ca1 as textRatioAAAA largeAAAFix
Aaon white
6.37:1passpassfail
  • AAA: use #405696 as the text (7.02:1)
Aaon black
3.3:1failpassfail
  • AA: use #5b72b9 as the text (4.55:1)
  • AAA: use #8294c9 as the text (7.03:1)
  • AA: or shift the background to #d9d9d9 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #455ca1 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

#455ca1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #455ca1
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 #455ca1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/455ca1-9ca1c4-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