Gainsboro is the CSS named color #DCDCDC — rgb(220, 220, 220), hsl(0, 0%, 86%). Its relative luminance is 0.716, giving 1.37:1 against white and 15.31:1 against black, so it works as a text color on black.
| HEX | #DCDCDC |
|---|---|
| RGB | rgb(220, 220, 220) |
| HSL | hsl(0, 0%, 86%) |
| Relative luminance | 0.7157 |
| Contrast on white | 1.37:1 AA fail |
| Contrast on black | 15.31:1 AA pass |
Built by mixing gainsboro toward white (four steps) and toward black (four steps) while keeping the hue. Use the shades generator for a different step count or to add harmony sets.
Closest by CIELAB distance (ΔE76). For perceptual matching in a design system, compare in OKLab before locking a token.
gainsboro is #DCDCDC, which is rgb(220, 220, 220) and hsl(0, 0%, 86%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Gainsboro has a relative luminance of 0.716 on a 0–1 scale, so it is a light color. Against white it scores 1.37:1; against black, 15.31:1.
gainsboro reaches 15.31:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.