Color
#247bcc
#247bccrgb(36, 123, 204)hsl(209, 70%, 47%)oklch(0.574 0.148 251.1)Colors that go with #247bcc
Charcoal, Crimson and Copper 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #247bcc: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #247bcc — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Copper #b87333
complementaryshippedCopper sits directly opposite #247bcc on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #247bcc in 11 real palettes, including Wired's brand system and Walmart's brand system, as the accent.
Blue #0000ff
shipped14 real palettes, including Readymag's brand system and BBC's brand system put Blue beside #247bcc, as the supporting colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #247bcc: 4 real palettes, including Open House and Alpine, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #247bcc: 12 real palettes, including Hershey's's brand system and General Mills's brand system, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #247bcc: 5 real palettes, including NBA's brand system and Coca-Cola's brand system, as the accent.
Real palettes that use #247bcc
Tints & shades
Harmonies
Contrast
| #247bcc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.39:1 | fail | pass | fail | |
Aaon black | 4.78:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #247bcc as the background.
Brands using this color
Fonts for this mood
#247bcc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #247bcc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/247bcc-9cacc4-df4e4e-1f212d-e9f1f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md