Color
#215e87
#215e87rgb(33, 94, 135)hsl(204, 61%, 33%)oklch(0.463 0.091 242.1)Colors that go with #215e87
Charcoal, Royal Blue and Sienna 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 #215e87: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #215e87's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #215e87 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #215e87 in 5 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour.
Blue #0000ff
shipped6 real palettes, including Tesco's brand system and Activision's brand system put Blue beside #215e87, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #215e87 in 16 real palettes, including Costco's brand system and McDonald's's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #215e87: 4 real palettes, including Venmo's brand system and Deep Water, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #215e87: 6 real palettes, including Wendy's's brand system and AT&T's brand system, as the supporting colour.
Real palettes that use #215e87
Tints & shades
Harmonies
Contrast
| #215e87 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.96:1 | pass | pass | fail |
|
Aaon black | 3.02:1 | 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 #215e87 as the background.
Brands using this color
Fonts for this mood
#215e87 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 #215e87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/215e87-9cafc4-df4e5a-1f222d-e9f1f0?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