Color
#266bd9
#266bd9rgb(38, 107, 217)hsl(217, 70%, 50%)oklch(0.548 0.182 259.7)Colors that go with #266bd9
Charcoal, Crimson and Sienna 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 #266bd9: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #266bd9 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #266bd9 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 #266bd9 in 11 real palettes, including Walmart's brand system and NBA's brand system, as the accent.
Blue #0000ff
shipped16 real palettes, including BBC's brand system and EA's brand system put Blue beside #266bd9, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #266bd9: 13 real palettes, including Carrefour's brand system and Unilever's brand system, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #266bd9: 6 real palettes, including NBA's brand system and Webflow's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #266bd9: 7 real palettes, including Astro's brand system and Venmo's brand system, as the supporting colour.
Real palettes that use #266bd9
Tints & shades
Harmonies
Contrast
| #266bd9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.01:1 | pass | pass | fail |
|
Aaon black | 4.19:1 | 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 #266bd9 as the background.
Brands using this color
- Loomprimary · #1868db · Δ1.203
- Loomsecondary · #1868db · Δ1.203
- GitHubaccent · #0969da · Δ1.378
- Foot Lockeraccent · #036ad8 · Δ1.388
- Khan Academyaccent · #0069d6 · Δ1.66
- ASUSaccent · #006ce1 · Δ1.674
- Fitbitsecondary · #1967d2 · Δ1.732
- Walmartsecondary · #0071dc · Δ1.753
- NBAsecondary · #0268d6 · Δ1.769
- Subarusecondary · #1971d4 · Δ1.823
- HashiCorpprimary · #2264d6 · Δ1.89
- HashiCorpaccent · #2264d6 · Δ1.89
Fonts for this mood
#266bd9 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 #266bd9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/266bd9-9ca7c4-df624e-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