Gradient palette editor — #054be6 to #7ef3ff

/* https://grabient.com/_hI-gJ6gOZhJdgFYgBRgBjgHMgjGgHdgHhgLG?style=linearGradient&steps=8&angle=270 */

background: linear-gradient(270deg, #054be6 0.000%, #004eff 14.286%, #005fdf 28.571%, #017be1 42.857%, #139eff 57.143%, #2ec2e3 71.429%, #52e0dd 85.714%, #7ef3ff 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_hI-gJ6gOZhJdgFYgBRgBjgHMgjGgHdgHhgLG?style=linearGradient&steps=8&angle=270 -->
            <defs>
              <linearGradient id="gradient" x1="1.000" y1="0.500" x2="0.000" y2="0.500">
        <stop offset="0.000" stop-color="#054be6" /><stop offset="0.143" stop-color="#004eff" /><stop offset="0.286" stop-color="#005fdf" /><stop offset="0.429" stop-color="#017be1" /><stop offset="0.571" stop-color="#139eff" /><stop offset="0.714" stop-color="#2ec2e3" /><stop offset="0.857" stop-color="#52e0dd" /><stop offset="1.000" stop-color="#7ef3ff" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#054be6", "#004eff", "#005fdf", "#017be1", "#139eff", "#2ec2e3", "#52e0dd", "#7ef3ff"]

// https://grabient.com/_hI-gJ6gOZhJdgFYgBRgBjgHMgjGgHdgHhgLG?style=linearGradient&steps=8&angle=270
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 8.0;
const float ANGLE = 270.0;

vec3 palette(float t) {
    vec3 a = vec3(4.670, 0.634, 0.921);
    vec3 b = vec3(4.701, 0.344, 0.081);
    vec3 c = vec3(0.099, 0.460, 2.246);
    vec3 d = vec3(0.477, 0.481, 0.710);
    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);
}

[
  [4.670, 0.634, 0.921],
  [4.701, 0.344, 0.081],
  [0.099, 0.460, 2.246],
  [0.477, 0.481, 0.710]
]