# #1d45e2

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

## Values

- Hex: `#1d45e2`
- RGB: rgb(29, 69, 226)
- HSL: hsl(228, 77%, 50%)
- OKLCH: oklch(0.483 0.239 265.6)
- Relative luminance: 0.1001
- Nearest named color: C64 Blue (#003aff, Δ 4.817) — https://brandsweets.com/colors/c64-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/1d45e2

## Tints & shades

- Tints (toward white): #3457e5, #4a6ae8, #5d79ea, #738bed, #8a9ef0, #a0b1f3, #b7c3f6, #c9d2f8, #dfe5fb, #f6f8fe
- Shades (toward black): #1a3ecb, #1838b9, #1531a2, #132c90, #10257a, #0d1e63, #0b1951, #08123b, #050c29, #020512

## Harmonies

- Complementary: #e2ba1d
- Analogous: #1da7e2, #581de2
- Triadic: #e21d45, #45e21d
- Split-complementary: #e2581d, #a7e21d
- Tetradic: #e21da7, #e2ba1d, #1de258

## Colors that go with #1d45e2

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 #1d45e2: softer than #000 and cool enough to feel like part of the same palette. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), Campus (https://brandsweets.com/palettes/friendly#campus), UEFA (https://brandsweets.com/colors/brands/uefa-com), Zoom (https://brandsweets.com/colors/brands/zoom-us). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #1d45e2 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Behance (https://brandsweets.com/colors/brands/behance-net), Coinbase (https://brandsweets.com/colors/brands/coinbase), Chase (https://brandsweets.com/colors/brands/chase-com), Toyota (https://brandsweets.com/colors/brands/toyota-com). — https://brandsweets.com/colors/crimson
- **Amber** #ffbf00 [pool] — Amber is paired with #1d45e2 in 6 real palettes, including Walmart's brand system and Binance's brand system, as the accent. Seen in: Walmart (https://brandsweets.com/colors/brands/walmart-com), Binance (https://brandsweets.com/colors/brands/binance-com), NBA (https://brandsweets.com/colors/brands/nba-com), Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org). — https://brandsweets.com/colors/amber
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #1d45e2: 10 real palettes, including Qualcomm's brand system and Gopro's brand system, as the supporting colour. Seen in: Qualcomm (https://brandsweets.com/colors/brands/qualcomm-com), Gopro (https://brandsweets.com/colors/brands/gopro-com), Roblox (https://brandsweets.com/colors/brands/roblox-com), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1d45e2: 4 real palettes, including Warp's brand system and Elastic's brand system, as the lead colour. Seen in: Warp (https://brandsweets.com/colors/brands/warp-dev), Elastic (https://brandsweets.com/colors/brands/elastic-co), Kraken (https://brandsweets.com/colors/brands/kraken-com), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #1d45e2: 9 real palettes, including Coursera's brand system and OnePlus's brand system, as the supporting colour. Seen in: Coursera (https://brandsweets.com/colors/brands/coursera-org), OnePlus (https://brandsweets.com/colors/brands/oneplus-com), HashiCorp (https://brandsweets.com/colors/brands/hashicorp-com), Cargo (https://brandsweets.com/colors/brands/cargo-site). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #1d45e2: 5 real palettes, including MLB's brand system and 3M's brand system, as the supporting colour. Seen in: MLB (https://brandsweets.com/colors/brands/mlb-com), 3M (https://brandsweets.com/colors/brands/3m-com), Bose (https://brandsweets.com/colors/brands/bose-com), Nissan (https://brandsweets.com/colors/brands/nissanusa-com). — https://brandsweets.com/colors/firebrick
- **Medium Sea Green** #3cb371 [pool] — Medium Sea Green is paired with #1d45e2 in 6 real palettes, including Indigo SaaS and Console Light, as the accent. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 7:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1d43dd (7.24:1)
- On black (#000000): 3:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #4a6ae8 (4.52:1); AA: background → #d1d1d1 (4.58:1); AAA: text → #7c93ee (7.27:1)

## Brands using this color

- **Zillow** — primary #0443dc (Δ 1.669) — https://brandsweets.com/colors/brands/zillow-com
- **Dairy Queen** — accent #0b4cdb (Δ 1.732) — https://brandsweets.com/colors/brands/dairyqueen-com
- **Pixar** — accent #0040e5 (Δ 1.789) — https://brandsweets.com/colors/brands/pixar-com
- **Oreo** — primary #0047d9 (Δ 1.846) — https://brandsweets.com/colors/brands/oreo-com
- **HP** — accent #024ad8 (Δ 1.985) — https://brandsweets.com/colors/brands/hp-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/1d45e2-9c9fc4-df7c4e-231f2d-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: "#1d45e2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.