Color
#355d9c
#355d9crgb(53, 93, 156)hsl(217, 49%, 41%)oklch(0.481 0.112 259.1)Colors that go with #355d9c
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 #355d9c: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #355d9c — 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 #355d9c in 7 real palettes, including Warner Bros.'s brand system and Lemon Squeezy's brand system, as the accent.
Blue #0000ff
shipped4 real palettes, including Pixar's brand system and CVS's brand system put Blue beside #355d9c, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #355d9c: 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #355d9c in 11 real palettes, including Amazon's brand system and Target : Expect More. Pay Less.'s brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #355d9c: 4 real palettes, including Campbell's's brand system and AT&T's brand system, as the supporting colour.
Light Coral #f08080
shippedDesigners have shipped Light Coral with #355d9c: 4 real palettes, including Target : Expect More. Pay Less.'s brand system and Cobalt Pop, as the supporting colour.
Real palettes that use #355d9c
Tints & shades
Harmonies
Contrast
| #355d9c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.57:1 | pass | pass | fail |
|
Aaon black | 3.2:1 | 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 #355d9c as the background.
Brands using this color
Fonts for this mood
#355d9c 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 #355d9c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/355d9c-9ca7c4-df624e-201f2d-e9f0f1?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