Color
#4f77cf
#4f77cfrgb(79, 119, 207)hsl(221, 57%, 56%)oklch(0.583 0.143 264.1)Colors that go with #4f77cf
Charcoal, Sea Green 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #4f77cf: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #4f77cf — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #4f77cf in 10 real palettes, including Walmart's brand system and Wikipedia's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #4f77cf in 13 real palettes, including Qualcomm's brand system and Readymag's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #4f77cf in 9 real palettes, including General Mills's brand system and Intel's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #4f77cf in 12 real palettes, including Marvel's brand system and State Farm's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #4f77cf in 7 real palettes, including Astro's brand system and Patreon's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Emerald Green #50c878
shippedEmerald Green is paired with #4f77cf in 4 real palettes, including Playground and Docker's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #4f77cf
Tints & shades
Harmonies
Contrast
| #4f77cf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.31:1 | fail | pass | fail | |
Aaon black | 4.87:1 | 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 #4f77cf as the background.
Brands using this color
Fonts for this mood
#4f77cf reads as cool, modern. 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 #4f77cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4f77cf-9ca4c4-df6b4e-211f2d-e9eff1?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