Midnight Blue is the CSS named color #191970 — rgb(25, 25, 112), hsl(240, 64%, 27%). Its relative luminance is 0.021, giving 14.85:1 against white and 1.41:1 against black, so it works as a text color on white.
| HEX | #191970 |
|---|---|
| RGB | rgb(25, 25, 112) |
| HSL | hsl(240, 64%, 27%) |
| Relative luminance | 0.0207 |
| Contrast on white | 14.85:1 AA pass |
| Contrast on black | 1.41:1 AA fail |
Built by mixing midnightblue 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.
midnightblue is #191970, which is rgb(25, 25, 112) and hsl(240, 64%, 27%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Midnight Blue has a relative luminance of 0.021 on a 0–1 scale, so it is a dark color. Against white it scores 14.85:1; against black, 1.41:1.
midnightblue reaches 14.85:1 against white, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.