# #1d53dd

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

## Values

- Hex: `#1d53dd`
- RGB: rgb(29, 83, 221)
- HSL: hsl(223, 77%, 49%)
- OKLCH: oklch(0.502 0.218 263.8)
- Relative luminance: 0.1167
- Nearest named color: Denim (#1560bd, Δ 5.989) — https://brandsweets.com/colors/denim
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1d53dd

## Tints & shades

- Tints (toward white): #2f63e4, #4674e7, #5d85ea, #7396ed, #8aa7f0, #9cb4f2, #b2c5f5, #c9d6f8, #dfe7fb, #f6f8fe
- Shades (toward black): #1a4ccb, #1744b5, #153da2, #12358c, #102e7a, #0d2563, #0b1f51, #08163b, #050f29, #020712

## Harmonies

- Complementary: #dda71d
- Analogous: #1db3dd, #461ddd
- Triadic: #dd1d53, #53dd1d
- Split-complementary: #dd461d, #b3dd1d
- Tetradic: #dd1db3, #dda71d, #1ddd46

## Colors that go with #1d53dd

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 #1d53dd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), HP (https://brandsweets.com/colors/brands/hp-com), Zoom (https://brandsweets.com/colors/brands/zoom-us). — https://brandsweets.com/colors/charcoal
- **Amber** #ffbf00 [pool] — Amber is paired with #1d53dd in 7 real palettes, including Walmart's brand system and NBA's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 9 real palettes, including Headspace's brand system and Dropbox's brand system put Blue beside #1d53dd, as the accent. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Dropbox (https://brandsweets.com/colors/brands/dropbox-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), EA (https://brandsweets.com/colors/brands/ea-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1d53dd: 10 real palettes, including Gopro's brand system and NBA's brand system, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), NBA (https://brandsweets.com/colors/brands/nba-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #1d53dd in 18 real palettes, including Chase's brand system and Coinbase's brand system, as the accent. Seen in: Chase (https://brandsweets.com/colors/brands/chase-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Foot Locker (https://brandsweets.com/colors/brands/footlocker-com), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1d53dd: 7 real palettes, including Elastic's brand system and Warp's brand system, as the supporting colour. Seen in: Elastic (https://brandsweets.com/colors/brands/elastic-co), Warp (https://brandsweets.com/colors/brands/warp-dev), Calm (https://brandsweets.com/colors/brands/calm-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1d53dd: 9 real palettes, including Coursera's brand system and HashiCorp's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), OnePlus (https://brandsweets.com/colors/brands/oneplus-com), Apple (https://brandsweets.com/colors/brands/apple-com). — https://brandsweets.com/colors/dodgerblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #1d53dd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/olive

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

- On white (#ffffff): 6.3:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1a4ccb (7.14:1)
- On black (#000000): 3.33:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3d6de6 (4.53:1); AA: background → #dbdbdb (4.55:1); AAA: text → #7396ed (7.31:1)

## Brands using this color

- **Walmart** — primary #0453e4 (Δ 1.386) — https://brandsweets.com/colors/brands/walmart-com
- **Square** — secondary #005ad9 (Δ 1.78) — https://brandsweets.com/colors/brands/squareup-com
- **Dairy Queen** — accent #0b4cdb (Δ 1.987) — https://brandsweets.com/colors/brands/dairyqueen-com

## Curated palettes containing it

- **Campus** (friendly, cool, clean) — #1d4ed8, #64748b, #f59e0b, #ffffff, #1e293b — Institutional blue with a highlighter-amber accent — trustworthy for parents, lively enough for students. — tool: https://brandsweets.com/palettes/new/1d4ed8-64748b-f59e0b-ffffff-1e293b — collection: https://brandsweets.com/palettes/friendly
- **Peacock** (jewel-tones, vivid, cool, bold) — #0d9488, #1d4ed8, #a21caf, #ffffff, #0c1a2b — Teal, cobalt and magenta at full chroma on white — jewel tones in daylight; the trick is a near-black text with a blue cast. — tool: https://brandsweets.com/palettes/new/0d9488-1d4ed8-a21caf-ffffff-0c1a2b — collection: https://brandsweets.com/palettes/jewel-tones

## 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/1d53dd-9ca3c4-df704e-211f2d-e9eff1?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: "#1d53dd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.