# #037ac4

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

## Values

- Hex: `#037ac4`
- RGB: rgb(3, 122, 196)
- HSL: hsl(203, 97%, 39%)
- OKLCH: oklch(0.562 0.145 246.3)
- Relative luminance: 0.1792
- Nearest named color: Haddock’s Sweater (#277aba, Δ 1.862) — https://brandsweets.com/colors/haddocks-sweater
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/037ac4

## Tints & shades

- Tints (toward white): #038de2, #099efb, #27aafc, #45b6fc, #63c2fd, #7cccfd, #9bd8fd, #b9e3fe, #d7effe, #f5fbff
- Shades (toward black): #0371b5, #0264a1, #025b92, #024e7e, #02456f, #01385a, #012f4b, #012237, #011928, #000d14

## Harmonies

- Complementary: #c44d03
- Analogous: #03c4ad, #0319c4
- Triadic: #c4037a, #7ac403
- Split-complementary: #c40319, #c4ad03
- Tetradic: #ad03c4, #c44d03, #19c403

## Colors that go with #037ac4

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 #037ac4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Auth0 (https://brandsweets.com/colors/brands/auth0-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #037ac4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: NASCAR (https://brandsweets.com/colors/brands/nascar-com), State Farm (https://brandsweets.com/colors/brands/statefarm-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Sienna** #a0522d [harmony, pool: complementary] — Sienna sits directly opposite #037ac4 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 #037ac4 in 10 real palettes, including Wired's brand system and Lemon Squeezy's brand system, as the accent. Seen in: Wired (https://brandsweets.com/colors/brands/wired-com), Lemon Squeezy (https://brandsweets.com/colors/brands/lemonsqueezy-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 14 real palettes, including Activision's brand system and Readymag's brand system put Blue beside #037ac4, as the accent. Seen in: Activision (https://brandsweets.com/colors/brands/activision-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Pixar (https://brandsweets.com/colors/brands/pixar-com), BBC (https://brandsweets.com/colors/brands/bbc-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #037ac4: 12 real palettes, including Hershey's's brand system and General Mills's brand system, as the supporting colour. Seen in: Hershey's (https://brandsweets.com/colors/brands/hersheys-com), General Mills (https://brandsweets.com/colors/brands/generalmills-com), Glacier (https://brandsweets.com/palettes/cool#glacier), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #037ac4: 4 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), Roblox (https://brandsweets.com/colors/brands/roblox-com). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #037ac4: 8 real palettes, including Astro's brand system and Deep Water, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Venmo (https://brandsweets.com/colors/brands/venmo-com), Telegram (https://brandsweets.com/colors/brands/telegram-org). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 4.58:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #025b92 (7.21:1)
- On black (#000000): 4.58:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #049cfb (7.15:1)

## Brands using this color

- **NASCAR** — accent #007ac2 (Δ 0.327) — https://brandsweets.com/colors/brands/nascar-com
- **Hershey's** — accent #007bbd (Δ 1.195) — https://brandsweets.com/colors/brands/hersheys-com
- **Dollar General** — accent #2a77bd (Δ 1.626) — https://brandsweets.com/colors/brands/dollargeneral-com
- **Wired** — primary #057dbc (Δ 1.657) — https://brandsweets.com/colors/brands/wired-com
- **General Mills** — accent #0074c1 (Δ 1.71) — https://brandsweets.com/colors/brands/generalmills-com
- **Astro** — primary #3178c6 (Δ 1.868) — https://brandsweets.com/colors/brands/astro-build
- **American Express** — primary #2e77bc (Δ 1.875) — https://brandsweets.com/colors/brands/americanexpress-com
- **Skechers** — accent #1973c1 (Δ 1.891) — https://brandsweets.com/colors/brands/skechers-com
- **Olympics** — primary #0081c8 (Δ 1.97) — https://brandsweets.com/colors/brands/olympics-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/037ac4-9cb0c4-df4e5d-1f222d-e9f1f0?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: "#037ac4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.