/* https://grabient.com/_gDbgPdgIVgDFgLegOUgBxgCcgDQgoEg3ehJueyyeu7gg?style=linearGradient&steps=7&angle=90 */
background: linear-gradient(90deg, #002874 0.000%, #003bad 16.667%, #0053e4 33.333%, #016eff 50.000%, #078cff 66.667%, #0dacff 83.333%, #13ceff 100.000%);
<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
<!-- https://grabient.com/_gDbgPdgIVgDFgLegOUgBxgCcgDQgoEg3ehJueyyeu7gg?style=linearGradient&steps=7&angle=90 -->
<defs>
<linearGradient id="gradient" x1="0.000" y1="0.500" x2="1.000" y2="0.500">
<stop offset="0.000" stop-color="#002874" /><stop offset="0.167" stop-color="#003bad" /><stop offset="0.333" stop-color="#0053e4" /><stop offset="0.500" stop-color="#016eff" /><stop offset="0.667" stop-color="#078cff" /><stop offset="0.833" stop-color="#0dacff" /><stop offset="1.000" stop-color="#13ceff" />
</linearGradient>
</defs>
<rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
</svg>
["#002874", "#003bad", "#0053e4", "#016eff", "#078cff", "#0dacff", "#13ceff"]
// https://grabient.com/_gDbgPdgIVgDFgLegOUgBxgCcgDQgoEg3ehJueyyeu7gg?style=linearGradient&steps=7&angle=90
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 90.0;
vec3 palette(float t) {
vec3 a = vec3(0.141, 0.911, 0.455);
vec3 b = vec3(0.233, 0.868, 1.083);
vec3 c = vec3(0.108, 0.149, 0.199);
vec3 d = vec3(2.596, 3.582, 4.750);
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);
}
[
[0.141, 0.911, 0.455],
[0.233, 0.868, 1.083],
[0.108, 0.149, 0.199],
[2.596, 3.582, 4.750]
]