# #758399

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#758399`
- RGB: rgb(117, 131, 153)
- HSL: hsl(217, 15%, 53%)
- OKLCH: oklch(0.606 0.037 259.4)
- Relative luminance: 0.2231
- Nearest named color: lightslategray (#778899, Δ 1.509) — https://brandsweets.com/colors/lightslategray
- Moods: cool, muted
- Page: https://brandsweets.com/colors/758399

## Tints & shades

- Tints (toward white): #8490a4, #909bad, #9ea8b7, #aab2c0, #b9c0cb, #c4cad4, #d3d7de, #dfe2e7, #edeff2, #f9fafb
- Shades (toward black): #68768d, #5d6a7e, #525e6f, #485161, #3f4755, #343b46, #292f38, #1e2229, #14161a, #090a0c

## Harmonies

- Complementary: #998b75
- Analogous: #759599, #797599
- Triadic: #997583, #839975
- Split-complementary: #997975, #959975
- Tetradic: #997595, #998b75, #759979

## Colors that go with #758399

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #758399: softer than #000 and cool enough to feel like part of the same palette. Seen in: Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: complementary] — Copper sits directly opposite #758399 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Atelier (https://brandsweets.com/palettes/elegant#atelier), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #758399, as that palette's text colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke). — https://brandsweets.com/colors/champagne
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #758399: 4 real palettes, including Ink & Paper and Fintech Trust, as the accent. Seen in: Ink & Paper (https://brandsweets.com/palettes/minimal#ink-and-paper), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #758399 in 6 real palettes, including Retro Pop and Redfin's brand system, as the lead colour. Seen in: Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Diner (https://brandsweets.com/palettes/vivid#diner), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #758399: 10 real palettes, including Campus and Dusk, as the lead colour. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Dusk (https://brandsweets.com/palettes/cool#dusk), Discover (https://brandsweets.com/colors/brands/discover-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #758399 in 5 real palettes, including Ledger Dark and Noir Beauty, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Open House (https://brandsweets.com/palettes/clean#open-house), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Plaid's brand system and Fintech Trust put Midnight Blue beside #758399, as the supporting colour. Seen in: Plaid (https://brandsweets.com/colors/brands/plaid-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Discover (https://brandsweets.com/colors/brands/discover-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 3.84:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #68768d (4.6:1); AA: background → #1a1a1a (4.53:1); AAA: text → #4e596a (7.09:1)
- On black (#000000): 5.46:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8d98aa (7.2:1)

## Brands using this color

- **Bloomberg** — accent #73859f (Δ 0.928) — https://brandsweets.com/colors/brands/bloomberg-com
- **Hermès** — secondary #73859f (Δ 0.928) — https://brandsweets.com/colors/brands/hermes-com
- **Nike** — accent #73859f (Δ 0.928) — https://brandsweets.com/colors/brands/nike-com
- **PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment** — accent #73859f (Δ 0.928) — https://brandsweets.com/colors/brands/playstation-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/758399-9ca7c4-df624e-201f2d-e9f0f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#758399" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.