Lavender to medium purple to marine gradient palette editor

/* https://grabient.com/_gISgengITgHOgb2gHJgFogCbgExgBDgFdgAC?style=radialGradient&steps=13&angle=45 */

background: radial-gradient(circle at 50% 50%, #f3ebfc 0.000%, #e8cefa 8.333%, #d9b3f6 16.667%, #c89aee 25.000%, #b583e4 33.333%, #9f6ed8 41.667%, #895dc9 50.000%, #734eb9 58.333%, #5e41a8 66.667%, #4a3895 75.000%, #383183 83.333%, #292e70 91.667%, #1e2d5f 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gISgengITgHOgb2gHJgFogCbgExgBDgFdgAC?style=radialGradient&steps=13&angle=45 -->
            <defs>
              <radialGradient id="radial" gradientUnits="userSpaceOnUse" cx="400.000" cy="200.000" r="447.214">
        <stop offset="0.000" stop-color="#f3ebfc" /><stop offset="0.083" stop-color="#e8cefa" /><stop offset="0.167" stop-color="#d9b3f6" /><stop offset="0.250" stop-color="#c89aee" /><stop offset="0.333" stop-color="#b583e4" /><stop offset="0.417" stop-color="#9f6ed8" /><stop offset="0.500" stop-color="#895dc9" /><stop offset="0.583" stop-color="#734eb9" /><stop offset="0.667" stop-color="#5e41a8" /><stop offset="0.750" stop-color="#4a3895" /><stop offset="0.833" stop-color="#383183" /><stop offset="0.917" stop-color="#292e70" /><stop offset="1.000" stop-color="#1e2d5f" />
              </radialGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#radial)" />
          </svg>

["#f3ebfc", "#e8cefa", "#d9b3f6", "#c89aee", "#b583e4", "#9f6ed8", "#895dc9", "#734eb9", "#5e41a8", "#4a3895", "#383183", "#292e70", "#1e2d5f"]

// https://grabient.com/_gISgengITgHOgb2gHJgFogCbgExgBDgFdgAC?style=radialGradient&steps=13&angle=45
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 13.0;

vec3 palette(float t) {
    vec3 a = vec3(0.530, 1.959, 0.531);
    vec3 b = vec3(0.462, 1.782, 0.457);
    vec3 c = vec3(0.360, 0.155, 0.305);
    vec3 d = vec3(0.067, 0.349, 0.002);
    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;
    // circle to the farthest corner (CSS default)
    float t = length(p) / length(0.5 * iResolution.xy);
    fragColor = vec4(stops(t), 1.0);
}

[
  [0.530, 1.959, 0.531],
  [0.462, 1.782, 0.457],
  [0.360, 0.155, 0.305],
  [0.067, 0.349, 0.002]
]