Dark Grey is the CSS named color #A9A9A9 — rgb(169, 169, 169), hsl(0, 0%, 66%). Its relative luminance is 0.397, giving 2.35:1 against white and 8.94:1 against black, so it works as a text color on black.
| HEX | #A9A9A9 |
|---|---|
| RGB | rgb(169, 169, 169) |
| HSL | hsl(0, 0%, 66%) |
| Relative luminance | 0.3968 |
| Contrast on white | 2.35:1 AA fail |
| Contrast on black | 8.94:1 AA pass |
Built by mixing darkgrey 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.
darkgrey is #A9A9A9, which is rgb(169, 169, 169) and hsl(0, 0%, 66%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Dark Grey has a relative luminance of 0.397 on a 0–1 scale, so it is a dark color. Against white it scores 2.35:1; against black, 8.94:1.
darkgrey reaches 8.94:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.