# #2a77b2

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

## Values

- Hex: `#2a77b2`
- RGB: rgb(42, 119, 178)
- HSL: hsl(206, 62%, 43%)
- OKLCH: oklch(0.551 0.118 245.7)
- Relative luminance: 0.169
- Nearest named color: Haddock’s Sweater (#277aba, Δ 1.352) — https://brandsweets.com/colors/haddocks-sweater
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/2a77b2

## Tints & shades

- Tints (toward white): #2f87ca, #4193d2, #5aa1d8, #6eaddd, #87bbe3, #9cc7e8, #b5d5ee, #c9e1f2, #e2eff8, #f7fafd
- Shades (toward black): #266ca1, #226191, #1e5680, #1a4b70, #174263, #133753, #102c42, #0c2132, #081621, #040b11

## Harmonies

- Complementary: #b2652a
- Analogous: #2ab2a9, #2a33b2
- Triadic: #b22a77, #77b22a
- Split-complementary: #b22a33, #b2a92a
- Tetradic: #a92ab2, #b2652a, #33b22a

## Colors that go with #2a77b2

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 #2a77b2: 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 #2a77b2 — 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), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Rust** #b7410e [harmony, pool: split] — Rust is a split-complement of #2a77b2: 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), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Etsy (https://brandsweets.com/colors/brands/etsy-com). — https://brandsweets.com/colors/rust
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #2a77b2 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 #2a77b2 in 9 real palettes, including Lemon Squeezy's brand system and Wired's brand system, as the lead colour. Seen in: 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), 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 #2a77b2, 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 #2a77b2: 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 #2a77b2: 6 real palettes, including Deep Water and Venmo's brand system, as the lead colour. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.79:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #205b88 (7.21:1)
- On black (#000000): 4.38:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2b79b6 (4.51:1); AA: background → #fafafa (4.59:1); AAA: text → #519dd6 (7.14:1)

## Brands using this color

- **Discover** — accent #2477ab (Δ 1.213) — https://brandsweets.com/colors/brands/discover-com
- **Honda** — accent #337ab7 (Δ 1.336) — https://brandsweets.com/colors/brands/honda-com
- **FedEx** — accent #007ab7 (Δ 1.556) — https://brandsweets.com/colors/brands/fedex-com
- **Capital One** — accent #0276b1 (Δ 1.576) — https://brandsweets.com/colors/brands/capitalone-com
- **American Express** — primary #2e77bc (Δ 1.636) — https://brandsweets.com/colors/brands/americanexpress-com
- **Dollar General** — accent #2a77bd (Δ 1.744) — https://brandsweets.com/colors/brands/dollargeneral-com
- **Lemon Squeezy** — accent #0075ad (Δ 1.947) — https://brandsweets.com/colors/brands/lemonsqueezy-com

## Curated palettes containing it

- **Glacier** (winter, cool, clean, technical) — #0077b6, #90e0ef, #023e8a, #f3f9fc, #03045e — Three blues from ice to deep water on a pale surface — a monochromatic winter set with real depth. — tool: https://brandsweets.com/palettes/new/0077b6-90e0ef-023e8a-f3f9fc-03045e — collection: https://brandsweets.com/palettes/winter
- **Deep Water** (ocean, dark, cool, luxury) — #00b4d8, #0077b6, #caf0f8, #03045e, #e8f6fb — Cyan and mid-blue on abyss navy with a foam highlight — the ocean at depth; the darker the surface, the brighter the water. — tool: https://brandsweets.com/palettes/new/00b4d8-0077b6-caf0f8-03045e-e8f6fb — collection: https://brandsweets.com/palettes/ocean

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/2a77b2-9caec4-df4e56-1f212d-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: "#2a77b2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.