Color
#0a2ca9
#0a2ca9rgb(10, 44, 169)hsl(227, 89%, 35%)oklch(0.378 0.2 264.8)Colors that go with #0a2ca9
Charcoal, Steel Blue and 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 #0a2ca9: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue #4682b4
analogousshippedSteel Blue is #0a2ca9's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped5 real palettes, including Procter & Gamble's brand system and Pfizer's brand system put Blue beside #0a2ca9, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #0a2ca9: 6 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #0a2ca9 in 10 real palettes, including Pepsi's brand system and Behance's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #0a2ca9: 10 real palettes, including Warbyparker's brand system and Unilever's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #0a2ca9: 5 real palettes, including Absolut's brand system and Cargo's brand system, as the supporting colour.
Midnight Blue #191970
shipped14 real palettes, including Blue Mono and Fintech Trust put Midnight Blue beside #0a2ca9, as that palette's text colour.
Real palettes that use #0a2ca9
Tints & shades
Harmonies
Contrast
| #0a2ca9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.79:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.95:1 | 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 #0a2ca9 as the background.
Brands using this color
Fonts for this mood
#0a2ca9 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 #0a2ca9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/0a2ca9-9ca0c4-df7a4e-221f2d-e9eff1?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