Rainbow marine to dusk blue to pale teal to strawberry gradient palette editor

/* https://grabient.com/_gJAgHIgHwgGpgFYgEEgJQgMtgOmgHYgImgJa?style=linearSwatches&steps=7&angle=45 */

background: linear-gradient(45deg, #282149 0.000%, #282149 14.286%, #315282 calc(14.286% + 1px), #315282 28.571%, #5e9ab7 calc(28.571% + 1px), #5e9ab7 42.857%, #9fc9bb calc(42.857% + 1px), #9fc9bb 57.143%, #dbbe89 calc(57.143% + 1px), #dbbe89 71.429%, #fd814e calc(71.429% + 1px), #fd814e 85.714%, #f73b3e calc(85.714% + 1px) 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gJAgHIgHwgGpgFYgEEgJQgMtgOmgHYgImgJa?style=linearSwatches&steps=7&angle=45 -->
            <defs>
              <clipPath id="bounds">
                <rect x="0" y="0" width="800" height="400" />
              </clipPath>
            </defs>
            <g clip-path="url(#bounds)"><path d="M 416.228,816.228 L -216.228,183.772 L -130.513,98.058 L 501.942,730.513 Z" fill="#282149" fill-opacity="1.000" /><path d="M 501.942,730.513 L -130.513,98.058 L -44.799,12.344 L 587.656,644.799 Z" fill="#315282" fill-opacity="1.000" /><path d="M 587.656,644.799 L -44.799,12.344 L 40.915,-73.371 L 673.371,559.085 Z" fill="#5e9ab7" fill-opacity="1.000" /><path d="M 673.371,559.085 L 40.915,-73.371 L 126.629,-159.085 L 759.085,473.371 Z" fill="#9fc9bb" fill-opacity="1.000" /><path d="M 759.085,473.371 L 126.629,-159.085 L 212.344,-244.799 L 844.799,387.656 Z" fill="#dbbe89" fill-opacity="1.000" /><path d="M 844.799,387.656 L 212.344,-244.799 L 298.058,-330.513 L 930.513,301.942 Z" fill="#fd814e" fill-opacity="1.000" /><path d="M 930.513,301.942 L 298.058,-330.513 L 383.772,-416.228 L 1016.228,216.228 Z" fill="#f73b3e" fill-opacity="1.000" /></g>
          </svg>

["#282149", "#315282", "#5e9ab7", "#9fc9bb", "#dbbe89", "#fd814e", "#f73b3e"]

// https://grabient.com/_gJAgHIgHwgGpgFYgEEgJQgMtgOmgHYgImgJa?style=linearSwatches&steps=7&angle=45
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 7.0;
const float ANGLE = 45.0;

vec3 palette(float t) {
    vec3 a = vec3(0.576, 0.456, 0.496);
    vec3 b = vec3(0.425, 0.344, 0.260);
    vec3 c = vec3(0.592, 0.813, 0.934);
    vec3 d = vec3(0.472, 0.550, 0.602);
    return a + b * cos(6.283185 * (c * t + d));
}

// N hard swatches sampled from the palette
vec3 stops(float t) {
    float i = min(floor(clamp(t, 0.0, 1.0) * STEPS), STEPS - 1.0);
    return palette(i / (STEPS - 1.0));
}

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);
}

[
  [0.576, 0.456, 0.496],
  [0.425, 0.344, 0.260],
  [0.592, 0.813, 0.934],
  [0.472, 0.550, 0.602]
]