Color
#247cb2
#247cb2rgb(36, 124, 178)hsl(203, 66%, 42%)oklch(0.561 0.116 241)Colors that go with #247cb2
Charcoal, Amber and Blue 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 #247cb2: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #247cb2 in 7 real palettes, including Wired's brand system and Lemon Squeezy's brand system, as the accent.
Blue #0000ff
shipped7 real palettes, including Pixar's brand system and Readymag's brand system put Blue beside #247cb2, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #247cb2: 7 real palettes, including Hershey's's brand system and Glacier, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #247cb2: 4 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #247cb2 in 11 real palettes, including Retro Pop and State Farm's brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #247cb2: 4 real palettes, including Apple's brand system and HashiCorp's brand system, as the supporting colour.
Rust #b7410e
split-complementshippedRust is a split-complement of #247cb2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #247cb2
Tints & shades
Harmonies
Contrast
| #247cb2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.56:1 | pass | pass | fail |
|
Aaon black | 4.6:1 | 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 #247cb2 as the background.
Brands using this color
Fonts for this mood
#247cb2 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 #247cb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/247cb2-9cb0c4-df4e5d-1f222d-e9f1f0?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