# #477a9e

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

## Values

- Hex: `#477a9e`
- RGB: rgb(71, 122, 158)
- HSL: hsl(205, 38%, 45%)
- OKLCH: oklch(0.559 0.079 240.9)
- Relative luminance: 0.1773
- Nearest named color: Cry Me a River (#427898, Δ 1.193) — https://brandsweets.com/colors/cry-me-a-river
- Moods: cool, modern
- Page: https://brandsweets.com/colors/477a9e

## Tints & shades

- Tints (toward white): #4f88b0, #6496b9, #76a2c1, #87aec9, #9cbcd3, #aec8db, #c0d4e3, #d1e0ea, #e6eef4, #f8fafc
- Shades (toward black): #416f90, #3a6482, #345974, #2e4f66, #284458, #203646, #192b38, #13212a, #0d161c, #060b0e

## Harmonies

- Complementary: #9e6b47
- Analogous: #479e97, #474e9e
- Triadic: #9e477a, #7a9e47
- Split-complementary: #9e474e, #9e9747
- Tetradic: #97479e, #9e6b47, #4e9e47

## Colors that go with #477a9e

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 #477a9e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Campus (https://brandsweets.com/palettes/friendly#campus), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #477a9e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace), Stripe (https://brandsweets.com/colors/brands/stripe), Xbox (https://brandsweets.com/colors/brands/xbox-com), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #477a9e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gallery (https://brandsweets.com/palettes/editorial#gallery), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Semrush (https://brandsweets.com/colors/brands/semrush-com), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #477a9e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Dyson (https://brandsweets.com/colors/brands/dyson-com). — https://brandsweets.com/colors/sienna
- **Amber** #ffbf00 [pool] — Amber is paired with #477a9e in 8 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Wired (https://brandsweets.com/colors/brands/wired-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 4 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #477a9e, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #477a9e: 7 real palettes, including Fintech Trust and Glacier, as the lead colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/cobalt
- **Copper** #b87333 [pool] — Designers have shipped Copper with #477a9e: 6 real palettes, including Riverbed and Dusk, as the accent. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Dusk (https://brandsweets.com/palettes/cool#dusk), Notion (https://brandsweets.com/colors/brands/notion), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper

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

- On white (#ffffff): 4.62:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #365c78 (7.1:1)
- On black (#000000): 4.55:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #6b9bbd (7.05:1)

## Curated palettes containing it

- **Retro Pop** (playful, bold, warm) — #e63946, #457b9d, #f4a261, #fff4e0, #23201c — Fifties-diner red and steel blue with a peach — nostalgic pop that still passes contrast. — tool: https://brandsweets.com/palettes/new/e63946-457b9d-f4a261-fff4e0-23201c — collection: https://brandsweets.com/palettes/playful

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/477a9e-9cafc4-df4e58-1f212d-e9f1f0?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: "#477a9e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.