# #3477b2

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

## Values

- Hex: `#3477b2`
- RGB: rgb(52, 119, 178)
- HSL: hsl(208, 55%, 45%)
- OKLCH: oklch(0.554 0.114 248.1)
- Relative luminance: 0.1714
- Nearest named color: Haddock’s Sweater (#277aba, Δ 1.442) — https://brandsweets.com/colors/haddocks-sweater
- Moods: cool, modern
- Page: https://brandsweets.com/colors/3477b2

## Tints & shades

- Tints (toward white): #3984c6, #5193cd, #659fd2, #79abd8, #90badf, #a4c7e5, #b8d3ea, #ccdff0, #e3eef7, #f7fafd
- Shades (toward black): #2f6ca2, #2a6292, #265782, #214d73, #1d4263, #17354f, #122a3f, #0e202f, #091520, #050b10

## Harmonies

- Complementary: #b26f34
- Analogous: #34b2ae, #3438b2
- Triadic: #b23477, #77b234
- Split-complementary: #b23438, #b2ae34
- Tetradic: #ae34b2, #b26f34, #38b234

## Colors that go with #3477b2

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 #3477b2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Auth0 (https://brandsweets.com/colors/brands/auth0-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Disney (https://brandsweets.com/colors/brands/disney-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #3477b2 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), Wendy's (https://brandsweets.com/colors/brands/wendys-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #3477b2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Semrush (https://brandsweets.com/colors/brands/semrush-com), Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gallery (https://brandsweets.com/palettes/editorial#gallery), Wayfair (https://brandsweets.com/colors/brands/wayfair-com). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #3477b2 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 #3477b2 in 9 real palettes, including Wired's brand system and Lemon Squeezy's brand system, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 12 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #3477b2, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #3477b2: 9 real palettes, including Glacier and Hershey's's brand system, as the accent. Seen in: 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), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #3477b2: 6 real palettes, including Deep Water and Astro's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.74:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #275a86 (7.26:1)
- On black (#000000): 4.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #357ab6 (4.61:1); AA: background → #fafafa (4.54:1); AAA: text → #619dd1 (7.25:1)

## Brands using this color

- **Honda** — accent #337ab7 (Δ 1.027) — https://brandsweets.com/colors/brands/honda-com
- **American Express** — primary #2e77bc (Δ 1.594) — https://brandsweets.com/colors/brands/americanexpress-com
- **Discover** — accent #2477ab (Δ 1.617) — https://brandsweets.com/colors/brands/discover-com
- **Dollar General** — accent #2a77bd (Δ 1.799) — https://brandsweets.com/colors/brands/dollargeneral-com

## 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/3477b2-9cadc4-df4e51-1f212d-e9f1f1?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: "#3477b2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.