Cadet Blue is the CSS named color #5F9EA0 — rgb(95, 158, 160), hsl(182, 25%, 50%). Its relative luminance is 0.294, giving 3.05:1 against white and 6.88:1 against black, so it works as a text color on black.
| HEX | #5F9EA0 |
|---|---|
| RGB | rgb(95, 158, 160) |
| HSL | hsl(182, 25%, 50%) |
| Relative luminance | 0.2942 |
| Contrast on white | 3.05:1 large text only |
| Contrast on black | 6.88:1 AA pass |
Built by mixing cadetblue 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.
cadetblue is #5F9EA0, which is rgb(95, 158, 160) and hsl(182, 25%, 50%). It is one of the 148 CSS named colors defined by the CSS Color Module Level 4.
Cadet Blue has a relative luminance of 0.294 on a 0–1 scale, so it is a dark color. Against white it scores 3.05:1; against black, 6.88:1.
cadetblue reaches 6.88:1 against black, which clears WCAG 2.2 AA for normal text (4.5:1) at any size.