Color

#458cbf

#458cbf
hex#458cbf
rgbrgb(69, 140, 191)
hslhsl(205, 49%, 51%)
oklchoklch(0.616 0.105 242.4)
Closest name: steelblue (#4682b4)Relative luminance 0.2378

Colors that go with #458cbf

Charcoal, Copper and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf7845

#45bfb5 · #454fbf

#bf458c · #8cbf45

Split-complementary

Open in tool →

#bf454f · #bfb545

#b545bf · #bf7845 · #4fbf45

Contrast

#458cbf as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #3b7cab as the text (4.51:1)
  • AAA: use #2b5b7d as the text (7.25:1)
  • AA: or shift the background to #1f1f1f (4.52:1)
Aaon black
5.76:1passpassfail
  • AAA: use #5f9dc8 as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #458cbf 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

#458cbf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #458cbf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #458cbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/458cbf-9cafc4-df4e58-1f212d-e9f1f0?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