# #256bd4

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

## Values

- Hex: `#256bd4`
- RGB: rgb(37, 107, 212)
- HSL: hsl(216, 70%, 49%)
- OKLCH: oklch(0.544 0.176 258.9)
- Relative luminance: 0.1566
- Nearest named color: God of Rain (#4466cc, Δ 2.763) — https://brandsweets.com/colors/god-of-rain
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/256bd4

## Tints & shades

- Tints (toward white): #3879dc, #4d88e0, #6396e3, #79a5e7, #8eb3eb, #a0bfee, #b5cef2, #cbdcf6, #e1ebfa, #f6f9fd
- Shades (toward black): #2263c3, #1f58ad, #1c4f9c, #184486, #153b75, #11305f, #0e274e, #0a1d38, #071427, #030911

## Harmonies

- Complementary: #d48e25
- Analogous: #25c3d4, #3725d4
- Triadic: #d4256b, #6bd425
- Split-complementary: #d43725, #c3d425
- Tetradic: #d425c3, #d48e25, #25d437

## Colors that go with #256bd4

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 #256bd4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), 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). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #256bd4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Foot Locker (https://brandsweets.com/colors/brands/footlocker-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 #256bd4 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 #256bd4 in 11 real palettes, including NBA's brand system and Wikipedia's brand system, as the lead colour. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including Pixar's brand system and BBC's brand system put Blue beside #256bd4, as the accent. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), BBC (https://brandsweets.com/colors/brands/bbc-com), EA (https://brandsweets.com/colors/brands/ea-com), Headspace (https://brandsweets.com/colors/brands/headspace-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #256bd4: 13 real palettes, including Unilever's brand system and Carrefour's brand system, as the lead colour. Seen in: Unilever (https://brandsweets.com/colors/brands/unilever-com), Carrefour (https://brandsweets.com/colors/brands/carrefour-com), Intel (https://brandsweets.com/colors/brands/intel-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #256bd4: 6 real palettes, including NBA's brand system and Coca-Cola's brand system, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Webflow (https://brandsweets.com/colors/brands/webflow-com), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #256bd4: 7 real palettes, including Astro's brand system and Venmo's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Venmo (https://brandsweets.com/colors/brands/venmo-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 5.08:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1e56a9 (7.1:1)
- On black (#000000): 4.13:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2f73da (4.59:1); AA: background → #f2f2f2 (4.54:1); AAA: text → #6396e3 (7:1)

## Brands using this color

- **Fitbit** — secondary #1967d2 (Δ 1.363) — https://brandsweets.com/colors/brands/fitbit-com
- **Pizza Hut** — accent #266dcc (Δ 1.403) — https://brandsweets.com/colors/brands/pizzahut-com
- **Foot Locker** — accent #036ad8 (Δ 1.412) — https://brandsweets.com/colors/brands/footlocker-com
- **Khan Academy** — accent #0069d6 (Δ 1.532) — https://brandsweets.com/colors/brands/khanacademy-org
- **Subaru** — secondary #1971d4 (Δ 1.552) — https://brandsweets.com/colors/brands/subaru-com
- **Loom** — primary #1868db (Δ 1.56) — https://brandsweets.com/colors/brands/loom-com
- **Loom** — secondary #1868db (Δ 1.56) — https://brandsweets.com/colors/brands/loom-com
- **GitHub** — accent #0969da (Δ 1.582) — https://brandsweets.com/colors/brands/github
- **NBA** — secondary #0268d6 (Δ 1.66) — https://brandsweets.com/colors/brands/nba-com
- **American Express** — accent #006fcf (Δ 1.743) — https://brandsweets.com/colors/brands/americanexpress-com
- **Wikipedia** — secondary #3366cc (Δ 1.768) — https://brandsweets.com/colors/brands/wikipedia-org
- **HashiCorp** — primary #2264d6 (Δ 1.894) — https://brandsweets.com/colors/brands/hashicorp-com
- **HashiCorp** — accent #2264d6 (Δ 1.894) — https://brandsweets.com/colors/brands/hashicorp-com
- **Walmart** — secondary #0071dc (Δ 1.978) — https://brandsweets.com/colors/brands/walmart-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/256bd4-9ca7c4-df5f4e-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: "#256bd4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.