Color
#2b5cfd
#2b5cfdrgb(43, 92, 253)hsl(226, 98%, 58%)oklch(0.551 0.244 265.4)Colors that go with #2b5cfd
Charcoal, Crimson and Amber 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 #2b5cfd: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #2b5cfd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #2b5cfd in 6 real palettes, including Walmart's brand system and Mastodon hosted on mastodon.social's brand system, as the accent.
Blue #0000ff
shipped10 real palettes, including Dropbox's brand system and Signal's brand system put Blue beside #2b5cfd, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #2b5cfd: 11 real palettes, including Nivea's brand system and Nokia's brand system, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #2b5cfd: 7 real palettes, including Roblox's brand system and Webflow's brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #2b5cfd: 6 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #2b5cfd: 14 real palettes, including Chase's brand system and Square's brand system, as the lead colour.
Real palettes that use #2b5cfd
Tints & shades
Harmonies
Contrast
| #2b5cfd as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.18:1 | pass | pass | fail |
|
Aaon black | 4.05:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b5cfd as the background.
Brands using this color
- Robloxprimary · #345cfc · Δ0.71
- Dockersecondary · #2560ff · Δ0.894
- Toyotaaccent · #145fff · Δ1.224
- Niveasecondary · #0f60ff · Δ1.411
- OnePlusaccent · #2660f5 · Δ1.46
- Ciscosecondary · #0a60ff · Δ1.511
- Zoomprimary · #0b5cff · Δ1.512
- Zoomsecondary · #0b5cff · Δ1.512
- IBMsecondary · #0f62fe · Δ1.589
- Spectrumaccent · #005eff · Δ1.671
- Dropboxsecondary · #0061fe · Δ1.738
- Dropboxprimary · #0061ff · Δ1.75
- IBMaccent · #0062fe · Δ1.819
- Bosesecondary · #005bff · Δ1.838
- Nokiaaccent · #005aff · Δ1.938
Fonts for this mood
#2b5cfd 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 #2b5cfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/2b5cfd-9ca1c4-df774e-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