CSS named color

LightSlateGray #778899

lightslategray rgb(119, 136, 153)

LightSlateGray is a muted azure with the hex code #778899, which converts to rgb(119, 136, 153). The British spelling lightslategrey is an alias and renders exactly the same color. Open #778899 in the converter to tweak it.

LightSlateGray color values

HEX#778899
HEX (shorthand)#789
RGBrgb(119, 136, 153)
RGBArgba(119, 136, 153, 1)
8-digit HEX#778899FF
HSLhsl(210, 14%, 53%)
HSV / HSB210°, 22%, 60%
CMYK22%, 11%, 0%, 40%
RGB 0–10.467, 0.533, 0.6
Decimal7833753
CSS keywordlightslategray

How #778899 converts to RGB

Split the hex code into three pairs and read each pair as a base-16 number: 77 → 119, 88 → 136, 99 → 153. That gives rgb(119, 136, 153). The step-by-step guide explains the math.

Shades of LightSlateGray

Mixed toward black in 10% steps. Click a swatch to copy its hex.

Tints of LightSlateGray

Mixed toward white in 10% steps.

Color harmonies

Hue rotations of LightSlateGray on the HSL color wheel, keeping saturation and lightness fixed. The color harmony guide explains when each scheme works.

Complementary

Analogous

Split-complementary

Triadic

Tetradic (square)

Contrast and accessibility

TextBackgroundRatioWCAG 2.x
White LightSlateGray 3.64:1AA Large only
Black LightSlateGray 5.76:1AA

Use black text on a lightslategray background. Test any other pair in the contrast checker; thresholds are explained in the WCAG contrast guide.

Use LightSlateGray in CSS

.element {
  color: lightslategray;                         /* keyword */
  background-color: #778899;            /* hex */
  border-color: rgb(119 136 153 / 50%);    /* 50% transparent */
}

Need it semi-transparent? Append an alpha byte: #77889980 is LightSlateGray at 50% opacity. See RGBA & transparency.

Similar named colors

FAQ

What is the HEX code for LightSlateGray?

The CSS named color lightslategray is #778899 in hexadecimal. In CSS you can write color: lightslategray; or color: #778899; — both produce the same pixel.

What is LightSlateGray in RGB?

LightSlateGray is rgb(119, 136, 153): red 119, green 136, blue 153 on the 0–255 scale. As normalized 0–1 floats that is (0.467, 0.533, 0.6).

Is white or black text more readable on LightSlateGray?

Black text is more readable. White on #778899 has a contrast ratio of 3.64:1 (AA Large only), black on #778899 has 5.76:1 (AA). WCAG AA needs 4.5:1 for normal text.

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