Color
#2203aa
#2203aargb(34, 3, 170)hsl(251, 97%, 34%)oklch(0.348 0.222 271.8)Colors that go with #2203aa
Blue, 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.
Blue #0000ff
shipped4 real palettes, including Pepsi's brand system and Pfizer's brand system put Blue beside #2203aa, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #2203aa: softer than #000 and cool enough to feel like part of the same palette.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #2203aa: 4 real palettes, including Tide's brand system and Purina Pro Plan's brand system, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #2203aa: 4 real palettes, including Peacock's brand system and Blue Mono, as the accent.
Crimson #dc143c
shippedCrimson is paired with #2203aa in 5 real palettes, including Behance's brand system and Nintendo's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #2203aa: 4 real palettes, including Google's brand system and Warbyparker's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #2203aa: 4 real palettes, including Absolut's brand system and Cargo's brand system, as the supporting colour.
Steel Blue #4682b4
analogousshippedSteel Blue is #2203aa's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Real palettes that use #2203aa
Tints & shades
Harmonies
Contrast
| #2203aa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.64:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.66:1 | 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 #2203aa as the background.
Brands using this color
Fonts for this mood
#2203aa 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 #2203aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/2203aa-a89cc4-dfb34e-281f2d-e9ecf1?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