Color

#457ffc

#457ffc
hex#457ffc
rgbrgb(69, 127, 252)
hslhsl(221, 97%, 63%)
oklchoklch(0.625 0.196 263.2)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2347

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcc245

#45dbfc · #6745fc

#fc457f · #7ffc45

Split-complementary

Open in tool →

#fc6745 · #dbfc45

#fc45db · #fcc245 · #45fc67

Contrast

#457ffc as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #276afc as the text (4.61:1)
  • AAA: use #0348dd as the text (7.06:1)
  • AA: or shift the background to #1c1c1c (4.62:1)
Aaon black
5.69:1passpassfail
  • AAA: use #6394fd as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #457ffc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#457ffc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #457ffc
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 #457ffc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/457ffc-9ca4c4-df6b4e-211f2d-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