/* https://grabient.com/_hKQgEDgHAhKogCtgOWgBpgMNgBhgHjgHugLD?style=linearGradient&steps=6&angle=315 */
background: linear-gradient(315deg, #011634 0.000%, #002850 20.000%, #09516c 40.000%, #2c6d89 60.000%, #6462a5 80.000%, #af3bc0 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_hKQgEDgHAhKogCtgOWgBpgMNgBhgHjgHugLD?style=linearGradient&steps=6&angle=315 -->
<defs>
<linearGradient id="gradient" x1="0.854" y1="0.854" x2="0.146" y2="0.146">
<stop offset="0.000" stop-color="#011634" /><stop offset="0.200" stop-color="#002850" /><stop offset="0.400" stop-color="#09516c" /><stop offset="0.600" stop-color="#2c6d89" /><stop offset="0.800" stop-color="#6462a5" /><stop offset="1.000" stop-color="#af3bc0" />
</linearGradient>
</defs>
<rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
</svg>
["#011634", "#002850", "#09516c", "#2c6d89", "#6462a5", "#af3bc0"]
// https://grabient.com/_hKQgEDgHAhKogCtgOWgBpgMNgBhgHjgHugLD?style=linearGradient&steps=6&angle=315
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 6.0;
const float ANGLE = 315.0;
vec3 palette(float t) {
vec3 a = vec3(4.752, 0.259, 0.448);
vec3 b = vec3(4.776, 0.173, 0.918);
vec3 c = vec3(0.105, 0.781, 0.097);
vec3 d = vec3(0.483, 0.494, 0.707);
return a + b * cos(6.283185 * (c * t + d));
}
// N stops sampled from the palette, blended like the CSS gradient
vec3 stops(float t) {
float n = STEPS - 1.0;
float x = clamp(t, 0.0, 1.0) * n;
return mix(palette(floor(x) / n), palette(min(floor(x) + 1.0, n) / n), fract(x));
}
void mainImage(out vec4 fragColor, in vec2 fragCoord) {
vec2 p = fragCoord - 0.5 * iResolution.xy;
// CSS angle: 0 = up, clockwise; span = CSS gradient-line length
vec2 dir = vec2(sin(radians(ANGLE)), cos(radians(ANGLE)));
float len = abs(iResolution.x * dir.x) + abs(iResolution.y * dir.y);
float t = dot(p, dir) / len + 0.5;
fragColor = vec4(stops(t), 1.0);
}
[
[4.752, 0.259, 0.448],
[4.776, 0.173, 0.918],
[0.105, 0.781, 0.097],
[0.483, 0.494, 0.707]
]