Flash Red (FF3638) — Shades, Harmonies, Palettes, CSS Code

"Flash Red"

Red · Winter

🧠 Psychology

Color of energy and passion. Red stimulates attention and evokes urgency, love or strength.

✨ Uses

CTAs, alerts, fashion, beauty, food, sport.

Tip

Flash Red pairs ideally with #1C1B18 (dark text) and a neutral background for a modern, readable result.

Values

HEX #FF3638

RGB rgb(255, 54, 56)

HSL hsl(359°, 100%, 61%)

CMYK C:0% M:79% Y:78% K:0%

Luminance 0.2387

WCAG Accessibility

On white 3.6:1

Aa — #FF3638

Secondary text

✗ AA ✗ AAA ✓ AA Large

On black 5.84:1

Aa — #FF3638

Secondary text

✓ AA ✗ AAA ✓ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#FF3638 #38FFFC

Analogous

#FF389F #FF3638 #FF9838

Triadic

#FF3638 #3BFF38 #383BFF

Split-comp.

#FF3638 #38FF98 #389FFF

Tetradic

#FF3638 #9FFF38 #38FFFC #9838FF

Monochromatic

#660507 #C70A0E #F54245 #F87275 #FBBBBC

Suggested palettes for this hue.

Sunset View all →

Matcha View all →

Nordic View all →