Color
#247f99
#247f99rgb(36, 127, 153)hsl(193, 62%, 37%)oklch(0.556 0.091 221.5)Colors that go with #247f99
Charcoal, Crimson and Rust 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 #247f99: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #247f99: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Rust #b7410e
complementaryshippedRust sits directly opposite #247f99 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 #247f99 in 6 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #247f99: 6 real palettes, including Glacier and Hershey's's brand system, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #247f99: 5 real palettes, including Riverbed and Dusk, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #247f99: 14 real palettes, including Discover's brand system and Capital One's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #247f99: 4 real palettes, including Wendy's's brand system and AT&T's brand system, as the supporting colour.
Real palettes that use #247f99
Tints & shades
Harmonies
Contrast
| #247f99 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.59:1 | pass | pass | fail |
|
Aaon black | 4.57:1 | 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 #247f99 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
#247f99 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 #247f99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/247f99-a2b5be-df4e75-1f242d-e9f1ef?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