Color
#215559
#215559rgb(33, 85, 89)hsl(184, 46%, 24%)oklch(0.416 0.055 202.2)Colors that go with #215559
Rust, Blue and Cadet Blue 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.
Rust #b7410e
complementaryshippedRust sits directly opposite #215559 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped9 real palettes, including Jeep's brand system and Rolex's brand system put Blue beside #215559, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #215559: 4 real palettes, including Paper & Pine and Open House, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #215559: 4 real palettes, including Desert Road and Dusk, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #215559 in 6 real palettes, including Codecademy's brand system and Gemstone, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #215559: 8 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent.
Emerald Green #50c878
shippedEmerald Green is paired with #215559 in 6 real palettes, including Neon's brand system and Chime's brand system, as the lead colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #215559: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #215559
Tints & shades
Harmonies
Contrast
| #215559 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.37:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.51:1 | 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 #215559 as the background.
Brands using this color
Fonts for this mood
#215559 reads as cool, dark, luxury. 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 #215559 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/215559-a2b9be-df4e8a-1f262d-e9f1ee?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