Color
#405db5
#405db5rgb(64, 93, 181)hsl(225, 48%, 48%)oklch(0.503 0.143 267.4)Colors that go with #405db5
Charcoal, Sea Green 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 #405db5: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #405db5 — 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 #405db5 in 7 real palettes, including Warner Bros.'s brand system and Wikipedia's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Blue #0000ff
shippedBlue is paired with #405db5 in 10 real palettes, including Pixar's brand system and CVS's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #405db5 in 5 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #405db5 in 12 real palettes, including Netflix's brand system and Ulta Beauty's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #405db5 in 5 real palettes, including Astro's brand system and Deep Water, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #405db5 in 6 real palettes, including Campbell's's brand system and Nissan's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #405db5
Tints & shades
Harmonies
Contrast
| #405db5 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.09:1 | pass | pass | fail |
|
Aaon black | 3.45:1 | 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 #405db5 as the background.
Brands using this color
- Campbell'saccent · #3860be · Δ1.64
- Coca-Colaaccent · #3860be · Δ1.64
- Guinnessaccent · #3860be · Δ1.64
- Heinzaccent · #3860be · Δ1.64
- Hingeaccent · #3860be · Δ1.64
- Jack Daniel'sprimary · #3860be · Δ1.64
- Maybellineaccent · #3860be · Δ1.64
- Netflixaccent · #3860be · Δ1.64
- Nikonsecondary · #3860be · Δ1.64
- Paramount+primary · #3860be · Δ1.64
- Pixarsecondary · #3860be · Δ1.64
- Starlinksecondary · #3860be · Δ1.64
- Ulta Beautysecondary · #3860be · Δ1.64
- Victoria's Secretaccent · #3860be · Δ1.64
- Warner Bros.secondary · #3860be · Δ1.64
Fonts for this mood
#405db5 reads as cool, modern. 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 #405db5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/405db5-9ca1c4-df754e-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