Color
#011def
#011defrgb(1, 29, 239)hsl(233, 99%, 47%)oklch(0.445 0.289 264.3)Colors that go with #011def
Crimson, Charcoal and Cobalt Blue 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.
Crimson #dc143c
triadicshippedCrimson completes a triad with #011def — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #011def: softer than #000 and cool enough to feel like part of the same palette.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #011def in 5 real palettes, including CVS's brand system and Procter & Gamble's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #011def in 4 real palettes, including Monzo's brand system and Readymag's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #011def in 6 real palettes, including BBC's brand system and Dropbox's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #011def in 6 real palettes, including Burger King's brand system and Dunkin''s brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Olive Green #808000
complementaryOlive Green sits directly opposite #011def on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Dodger Blue #1e90ff
shippedDodger Blue is paired with #011def in 3 real palettes, including Cargo's brand system and Readymag's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #011def
Tints & shades
Harmonies
Contrast
| #011def as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.67:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.42:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #011def as the background.
Brands using this color
- BBCaccent · #0000ee · Δ1.781
- Bumblesecondary · #0000ee · Δ1.781
- Burger Kingaccent · #0000ee · Δ1.781
- Cargoaccent · #0000ee · Δ1.781
- CVSsecondary · #0000ee · Δ1.781
- Dropboxaccent · #0000ee · Δ1.781
- Dunkin'secondary · #0000ee · Δ1.781
- Headspaceaccent · #0000ee · Δ1.781
- Instacartaccent · #0000ee · Δ1.781
- Kiaaccent · #0000ee · Δ1.781
- Lexussecondary · #0000ee · Δ1.781
- MongoDBaccent · #0000ee · Δ1.781
- Monzoaccent · #0000ee · Δ1.781
- Procter & Gamblesecondary · #0000ee · Δ1.781
- Readymagsecondary · #0000ee · Δ1.781
- Robinhoodsecondary · #0000ee · Δ1.781
- Samsungaccent · #0000ee · Δ1.781
- Sketchaccent · #0000ee · Δ1.781
- Spotifyaccent · #0000ee · Δ1.781
- Tim Hortonsaccent · #0000ee · Δ1.781
- Uberaccent · #0000ee · Δ1.781
Fonts for this mood
#011def 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 #011def and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/011def-9c9cc4-df884e-241f2d-e9eef1?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