Steel Blue is the CSS named color #4682B4 — rgb(70, 130, 180), hsl(207, 44%, 49%). Its relative luminance is 0.206, giving 4.11:1 against white and 5.11:1 against black, so it works as a text color on black.
| HEX | #4682B4 |
|---|---|
| RGB | rgb(70, 130, 180) |
| HSL | hsl(207, 44%, 49%) |
| Relative luminance | 0.2056 |
| Contrast on white | 4.11:1 large text only |
| Contrast on black | 5.11:1 AA pass |
Built by mixing steelblue 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.
steelblue is #4682B4, which is rgb(70, 130, 180) and hsl(207, 44%, 49%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Steel Blue has a relative luminance of 0.206 on a 0–1 scale, so it is a dark color. Against white it scores 4.11:1; against black, 5.11:1.
steelblue reaches 5.11:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.