Color
#2901cb
#2901cbrgb(41, 1, 203)hsl(252, 99%, 40%)oklch(0.395 0.255 271.4)Colors that go with #2901cb
Charcoal, Cornflower Blue and Crimson 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 #2901cb: softer than #000 and cool enough to feel like part of the same palette.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #2901cb: 5 real palettes, including Canva's brand system and Spotify's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #2901cb in 4 real palettes, including Dunkin''s brand system and Tim Hortons's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #2901cb: 6 real palettes, including Unilever's brand system and Activision's brand system, as the accent.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #2901cb: 6 real palettes, including Absolut's brand system and Cargo's brand system, as the supporting colour.
Midnight Blue #191970
shipped10 real palettes, including Monzo's brand system and Sketch's brand system put Midnight Blue beside #2901cb, as the lead colour.
Orange Red #ff4500
shippedOrange Red is paired with #2901cb in 9 real palettes, including Intercom's brand system and Doordash's brand system, as the supporting colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #2901cb 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 #2901cb
Tints & shades
Harmonies
Contrast
| #2901cb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.71:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.96:1 | 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 #2901cb 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
#2901cb 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 #2901cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/2901cb-a99cc4-dfb64e-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