Color
#2571f4
#2571f4rgb(37, 113, 244)hsl(218, 90%, 55%)oklch(0.581 0.21 260.7)Colors that go with #2571f4
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 #2571f4: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #2571f4 — 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 #2571f4 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 #2571f4 in 10 real palettes, including Walmart's brand system and NBA's brand system, as the accent.
Blue #0000ff
shipped14 real palettes, including EA's brand system and BBC's brand system put Blue beside #2571f4, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #2571f4: 13 real palettes, including Carrefour's brand system and Behance's brand system, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #2571f4: 6 real palettes, including Webflow's brand system and Roblox's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #2571f4: 8 real palettes, including Elastic's brand system and Patreon's brand system, as the supporting colour.
Real palettes that use #2571f4
Tints & shades
Harmonies
Contrast
| #2571f4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.42:1 | fail | pass | fail | |
Aaon black | 4.75:1 | 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 #2571f4 as the background.
Brands using this color
- EAaccent · #0070f3 · Δ1.27
- Vercelaccent · #0070f3 · Δ1.27
- BBCsecondary · #0071f1 · Δ1.282
- Ubisoftaccent · #006ef5 · Δ1.537
- Webflowprimary · #146cf4 · Δ1.572
- Rotten Tomatoessecondary · #326af6 · Δ1.719
- Fivetran blueprimary · #346cec · Δ1.729
- GEICOsecondary · #026df1 · Δ1.767
- Elasticaccent · #0d6efd · Δ1.836
- Guinnesssecondary · #1a73e8 · Δ1.991
Fonts for this mood
#2571f4 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 #2571f4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/2571f4-9ca6c4-df644e-201f2d-e9f0f1?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