RAL Classic

Signal Black

RAL 9004
#282828
These values are sRGB approximations. RAL colors are defined colorimetrically — for exact color matching in print, paint, or coatings, always verify against a physical RAL color chip.

CSS Values

HEX#282828
RGBrgb(40, 40, 40)
HSLhsl(0, 0%, 16%)
HSL (modern)hsl(0deg 0% 16%)
OKLCHoklch(27.7% 0 90deg)

Tints & Shades

Color Harmonies

complementary

triadic

analogous

split Complementary

tetradic

Contrast

AaText on white
Ratio: 14.74:1AA: PassAAA: PassAA Large: Pass
AaText on black
Ratio: 1.42:1AA: FailAAA: FailAA Large: Fail

Other RAL neutral colors

Nearest Named Colors

See all
Tailwind CSS
zinc-800
Ant Design
gray-10
Open Color
gray-9
Bootstrap 5
gray-900
Crayola
black
Material Design
grey-900
Radix Colors
gray-12
Munsell
N-2
CSS Named
darkslategray
iOS HIG
accessible-indigo