RAL Classic#686C5E
Concrete Grey
RAL 7023These 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#686C5E
RGBrgb(104, 108, 94)
HSLhsl(77, 7%, 40%)
HSL (modern)hsl(77deg 7% 40%)
OKLCHoklch(52.4% 0.0219 120deg)
Tints & Shades
Color Harmonies
complementary
triadic
analogous
split Complementary
tetradic
Contrast
AaText on white
Ratio: 5.39:1AA: PassAAA: FailAA Large: Pass
AaText on black
Ratio: 3.9:1AA: FailAAA: FailAA Large: Pass
Other RAL grey colors
7000Squirrel Grey7001Silver Grey7002Olive Grey7003Moss Grey7004Signal Grey7005Mouse Grey7006Beige Grey7008Khaki Grey7009Green Grey7010Tarpaulin Grey7011Iron Grey7012Basalt Grey7013Brown Grey7015Slate Grey7016Anthracite Grey7021Black Grey7022Umbra Grey7024Graphite Grey7026Granite Grey7030Stone Grey7031Blue Grey7032Pebble Grey7033Cement Grey7034Yellow Grey7035Light Grey7036Platinum Grey7037Dusty Grey7038Agate Grey7039Quartz Grey7040Window Grey7042Traffic Grey A7043Traffic Grey B7044Silk Grey7045Telegrey 17046Telegrey 27047Telegrey 47048Pearl Mouse Grey