Color
#021ebb
#021ebbrgb(2, 30, 187)hsl(231, 98%, 37%)oklch(0.379 0.234 264.4)Colors that go with #021ebb
Charcoal, Crimson and Midnight 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #021ebb: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #021ebb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Midnight Blue #191970
shippedMidnight Blue is paired with #021ebb in 4 real palettes, including Blue Mono and Monzo's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #021ebb in 5 real palettes, including Intercom's brand system and Tide'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 #021ebb in 9 real palettes, including Nivea's brand system and Behance's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Steel Blue #4682b4
analogousshippedSteel Blue is #021ebb's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Taupe #483c32
shippedTaupe is paired with #021ebb in 7 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 #021ebb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #021ebb
Tints & shades
Harmonies
Contrast
| #021ebb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.02:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.91:1 | 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 #021ebb as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#021ebb 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 #021ebb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/021ebb-9c9ec4-df834e-231f2d-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