Color
#535d74
#535d74rgb(83, 93, 116)hsl(222, 17%, 39%)oklch(0.479 0.039 266.5)Colors that go with #535d74
Steel Blue, Blue and Champagne 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.
Steel Blue #4682b4
analogousshippedSteel Blue is #535d74's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped4 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #535d74, as the accent.
Champagne #f7e7ce
shipped4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #535d74, as the surface under it.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #535d74: 4 real palettes, including Fintech Trust and Ink & Paper, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #535d74: 4 real palettes, including Dusk and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #535d74 in 10 real palettes, including Codecademy's brand system and Gemstone, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #535d74: 4 real palettes, including Lamborghini's brand system and Warp's brand system, as the supporting colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #535d74: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #535d74
Tints & shades
Harmonies
Contrast
| #535d74 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.59:1 | pass | pass | fail |
|
Aaon black | 3.19:1 | 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 #535d74 as the background.
Brands using this color
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 #535d74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/535d74-9ca3c4-df6e4e-211f2d-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