Color
#1a66ff
#1a66ffrgb(26, 102, 255)hsl(220, 100%, 55%)oklch(0.566 0.238 262.2)Colors that go with #1a66ff
Charcoal, Crimson 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 #1a66ff: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #1a66ff — 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 #1a66ff in 7 real palettes, including Walmart's brand system and NBA's brand system, as the accent.
Blue #0000ff
shipped12 real palettes, including Dropbox's brand system and MongoDB's brand system put Blue beside #1a66ff, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #1a66ff: 12 real palettes, including Behance's brand system and Nivea's brand system, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #1a66ff: 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 #1a66ff: 6 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #1a66ff: 15 real palettes, including Square's brand system and Chase's brand system, as the supporting colour.
Real palettes that use #1a66ff
Tints & shades
Harmonies
Contrast
| #1a66ff as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.79:1 | pass | pass | fail |
|
Aaon black | 4.39:1 | fail | 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 #1a66ff as the background.
Brands using this color
- Behanceprimary · #1769ff · Δ0.658
- Yahooaccent · #0f69ff · Δ0.675
- WWEaccent · #0166ff · Δ0.681
- Squareprimary · #006aff · Δ0.969
- Squareaccent · #006aff · Δ0.969
- IBMsecondary · #0f62fe · Δ1.09
- Dockersecondary · #2560ff · Δ1.281
- IBMaccent · #0062fe · Δ1.322
- Niveasecondary · #0f60ff · Δ1.491
- Dropboxprimary · #0061ff · Δ1.496
- Dropboxsecondary · #0061fe · Δ1.515
- Ciscosecondary · #0a60ff · Δ1.559
- MongoDBsecondary · #006cfa · Δ1.574
- Toyotaaccent · #145fff · Δ1.63
- Elasticaccent · #0d6efd · Δ1.804
- OnePlusaccent · #2660f5 · Δ1.994
Fonts for this mood
#1a66ff 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 #1a66ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1a66ff-9ca5c4-df694e-211f2d-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