# #1d64cd

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

## Values

- Hex: `#1d64cd`
- RGB: rgb(29, 100, 205)
- HSL: hsl(216, 75%, 46%)
- OKLCH: oklch(0.522 0.177 259)
- Relative luminance: 0.1378
- Nearest named color: Denim (#1560bd, Δ 2.741) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1d64cd

## Tints & shades

- Tints (toward white): #246fe0, #3b7ee3, #5590e7, #6c9eea, #82aded, #98bcf0, #afcaf4, #c9dcf7, #e0eafb, #f6f9fe
- Shades (toward black): #1b5bbb, #1852aa, #154893, #123f81, #103670, #0d2e5e, #0b254c, #081a36, #051124, #030912

## Harmonies

- Complementary: #cd871d
- Analogous: #1dbccd, #2f1dcd
- Triadic: #cd1d64, #64cd1d
- Split-complementary: #cd2f1d, #bccd1d
- Tetradic: #cd1dbc, #cd871d, #1dcd2f

## Colors that go with #1d64cd

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 #1d64cd: 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), Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1d64cd — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-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 #1d64cd 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 #1d64cd in 10 real palettes, including Wikipedia's brand system and NBA's brand system, as the accent. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), NBA (https://brandsweets.com/colors/brands/nba-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), Walmart (https://brandsweets.com/colors/brands/walmart-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 16 real palettes, including Pixar's brand system and Activision's brand system put Blue beside #1d64cd, as the accent. Seen in: Pixar (https://brandsweets.com/colors/brands/pixar-com), Activision (https://brandsweets.com/colors/brands/activision-com), Headspace (https://brandsweets.com/colors/brands/headspace-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1d64cd: 7 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), 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 #1d64cd: 7 real palettes, including Venmo's brand system and Astro's brand system, as the supporting colour. Seen in: Venmo (https://brandsweets.com/colors/brands/venmo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1d64cd: 8 real palettes, including Apple's brand system and HashiCorp's brand system, as the supporting colour. Seen in: Apple (https://brandsweets.com/colors/brands/apple-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), ASUS (https://brandsweets.com/colors/brands/asus-com), Coursera (https://brandsweets.com/colors/brands/coursera-org). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 5.59:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1955ae (7.11:1)
- On black (#000000): 3.76:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2972e0 (4.58:1); AA: background → #e8e8e8 (4.56:1); AAA: text → #6398e9 (7.2:1)

## Brands using this color

- **Apple** — accent #0066cc (Δ 0.975) — https://brandsweets.com/colors/brands/apple-com
- **Dyson** — accent #0066cc (Δ 0.975) — https://brandsweets.com/colors/brands/dyson-com
- **Unilever** — accent #0066cc (Δ 0.975) — https://brandsweets.com/colors/brands/unilever-com
- **Fitbit** — secondary #1967d2 (Δ 1.029) — https://brandsweets.com/colors/brands/fitbit-com
- **Postman** — accent #0265d2 (Δ 1.083) — https://brandsweets.com/colors/brands/postman-com
- **HashiCorp** — primary #2264d6 (Δ 1.448) — https://brandsweets.com/colors/brands/hashicorp-com
- **HashiCorp** — accent #2264d6 (Δ 1.448) — https://brandsweets.com/colors/brands/hashicorp-com
- **Strava** — accent #0060d0 (Δ 1.637) — https://brandsweets.com/colors/brands/strava-com
- **Wikipedia** — secondary #3366cc (Δ 1.686) — https://brandsweets.com/colors/brands/wikipedia-org
- **NBA** — secondary #0268d6 (Δ 1.698) — https://brandsweets.com/colors/brands/nba-com
- **Nissan** — accent #005fcc (Δ 1.811) — https://brandsweets.com/colors/brands/nissanusa-com
- **Box** — primary #0061d5 (Δ 1.816) — https://brandsweets.com/colors/brands/box-com
- **Box** — secondary #0061d5 (Δ 1.816) — https://brandsweets.com/colors/brands/box-com
- **Khan Academy** — accent #0069d6 (Δ 1.831) — https://brandsweets.com/colors/brands/khanacademy-org
- **Linkedin** — secondary #0a66c2 (Δ 1.991) — https://brandsweets.com/colors/brands/linkedin-com
- **YouTube** — accent #065fd4 (Δ 1.999) — https://brandsweets.com/colors/brands/youtube-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/1d64cd-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: "#1d64cd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.