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
#35587e
#35587e
hex
#35587ergb
rgb(53, 88, 126)hsl
hsl(211, 41%, 35%)oklch
oklch(0.451 0.075 251.6)Closest name: Deep Indigo (#4c567a)Relative luminance 0.0924
Colors that go with #35587e
Sienna, 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.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #35587e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shippedBlue is paired with #35587e in 4 real palettes, including CVS's brand system and Alaska Airlines's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #35587e in 4 real palettes, including Dusk and Open House, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #35587e in 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #35587e in 10 real palettes, including Amazon's brand system and Codecademy's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #35587e in 10 real palettes, including HP's brand system and Dutch Bros's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #35587e in 4 real palettes, including Fireside and Wendy's's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #35587e: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #35587e
Tints & shades
Harmonies
Contrast
| #35587e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.37:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.85:1 | 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 #35587e 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
Fonts for this mood
#35587e reads as cool, modern. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #35587e
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 #35587e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/35587e-9cabc4-df534e-1f202d-e9f1f1?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