Gradient palette editor — #683242 to #cf879b

/* https://grabient.com/_gJlgFXgGggHcgDfgDZgCMgEQgEwgKngJ8gJr */

background: linear-gradient(90deg, #683242 0.000%, #79404f 16.667%, #8a4f60 33.333%, #9c5f71 50.000%, #ad6f82 66.667%, #bf7c91 83.333%, #cf879b 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gJlgFXgGggHcgDfgDZgCMgEQgEwgKngJ8gJr -->
            <defs>
              <linearGradient id="gradient" x1="0.000" y1="0.500" x2="1.000" y2="0.500">
        <stop offset="0.000" stop-color="#683242" /><stop offset="0.167" stop-color="#79404f" /><stop offset="0.333" stop-color="#8a4f60" /><stop offset="0.500" stop-color="#9c5f71" /><stop offset="0.667" stop-color="#ad6f82" /><stop offset="0.833" stop-color="#bf7c91" /><stop offset="1.000" stop-color="#cf879b" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#683242", "#79404f", "#8a4f60", "#9c5f71", "#ad6f82", "#bf7c91", "#cf879b"]

// https://grabient.com/_gJlgFXgGggHcgDfgDZgCMgEQgEwgKngJ8gJr
// 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(0.613, 0.343, 0.416);
    vec3 b = vec3(0.476, 0.223, 0.217);
    vec3 c = vec3(0.140, 0.272, 0.304);
    vec3 d = vec3(0.679, 0.636, 0.619);
    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);
}

[
  [0.613, 0.343, 0.416],
  [0.476, 0.223, 0.217],
  [0.140, 0.272, 0.304],
  [0.679, 0.636, 0.619]
]