Harbour
Open in tool →Steel blue and haze with a buoy orange on a pale grey — the maritime palette every port town uses for a reason.
Color
#415a7c
#415a7c
hex
#415a7crgb
rgb(65, 90, 124)hsl
hsl(215, 31%, 37%)oklch
oklch(0.462 0.063 256.3)Closest name: Deep Indigo (#4c567a)Relative luminance 0.0989
Colors that go with #415a7c
Sea Green, Sienna and Copper 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.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #415a7c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #415a7c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Copper #b87333
shippedDesigners have shipped Copper with #415a7c: 4 real palettes, including Dusk and Desert Road, as the accent.
Crimson #dc143c
shippedCrimson is paired with #415a7c in 10 real palettes, including Amazon's brand system and Codecademy's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #415a7c: 10 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #415a7c: 5 real palettes, including Fireside and Wendy's's brand system, as the lead colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #415a7c in 4 real palettes, including Open House and Mid-Century, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #415a7c: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #415a7c
Tints & shades
Harmonies
Contrast
| #415a7c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.05:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.98:1 | 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 #415a7c as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #415a7c
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #415a7c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/415a7c-9ca8c4-df5d4e-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