# #276bb4

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

## Values

- Hex: `#276bb4`
- RGB: rgb(39, 107, 180)
- HSL: hsl(211, 64%, 43%)
- OKLCH: oklch(0.523 0.134 253.2)
- Relative luminance: 0.1424
- Nearest named color: Campanula (#3473b7, Δ 2.617) — https://brandsweets.com/colors/campanula
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/276bb4

## Tints & shades

- Tints (toward white): #2d7acd, #3f87d5, #5897da, #6da4df, #86b3e4, #9bc0e9, #b4d0ee, #c9ddf3, #e2edf9, #f7fafd
- Shades (toward black): #2461a3, #205792, #1c4d82, #194371, #163c64, #123254, #0f2843, #0b1e32, #071421, #040a11

## Harmonies

- Complementary: #b47027
- Analogous: #27b1b4, #2a27b4
- Triadic: #b4276b, #6bb427
- Split-complementary: #b42a27, #b1b427
- Tetradic: #b427b1, #b47027, #27b42a

## Colors that go with #276bb4

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 #276bb4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #276bb4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: State Farm (https://brandsweets.com/colors/brands/statefarm-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Netflix (https://brandsweets.com/colors/brands/netflix), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #276bb4 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 #276bb4 in 9 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 15 real palettes, including Activision's brand system and Pixar's brand system put Blue beside #276bb4, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), Tesco (https://brandsweets.com/colors/brands/tesco-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #276bb4: 12 real palettes, including General Mills's brand system and Intel's brand system, as the supporting colour. Seen in: General Mills (https://brandsweets.com/colors/brands/generalmills-com), Intel (https://brandsweets.com/colors/brands/intel-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Hershey's (https://brandsweets.com/colors/brands/hersheys-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #276bb4: 6 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), NBA (https://brandsweets.com/colors/brands/nba-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Webflow (https://brandsweets.com/colors/brands/webflow-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #276bb4: 7 real palettes, including Venmo's brand system and Deep Water, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), 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): 5.46:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #215a97 (7.06:1)
- On black (#000000): 3.85:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2c78c9 (4.64:1); AA: background → #ebebeb (4.58:1); AAA: text → #5c99db (7.03:1)

## Brands using this color

- **British Airways** — secondary #3468ad (Δ 1.433) — https://brandsweets.com/colors/brands/britishairways-com
- **LEGO** — accent #006db7 (Δ 1.437) — https://brandsweets.com/colors/brands/lego-com
- **The New York Times** — secondary #346eb7 (Δ 1.464) — https://brandsweets.com/colors/brands/nytimes-com
- **Venmo** — accent #0070ba (Δ 1.82) — https://brandsweets.com/colors/brands/venmo-com
- **State Farm** — accent #0a70bc (Δ 1.842) — https://brandsweets.com/colors/brands/statefarm-com
- **McDonald's** — accent #006bae (Δ 1.862) — https://brandsweets.com/colors/brands/mcdonalds-com
- **Activision** — secondary #0768af (Δ 1.932) — https://brandsweets.com/colors/brands/activision-com

## 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/276bb4-9cabc4-df534e-1f202d-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: "#276bb4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.