Complementary navy blue and salmon gradient palette editor

/* https://grabient.com/_gJ3gGSgF0gI9gEagFCgFhgJ1gIBgHrgIWgK-?style=linearGradient&steps=6&angle=90 */

background: linear-gradient(90deg, #0f2046 0.000%, #1a407a 20.000%, #3e76a3 40.000%, #76a4b1 60.000%, #b6ac9d 80.000%, #f28c71 100.000%);

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="400" viewBox="0 0 800 400" preserveAspectRatio="none">
            <!-- https://grabient.com/_gJ3gGSgF0gI9gEagFCgFhgJ1gIBgHrgIWgK-?style=linearGradient&steps=6&angle=90 -->
            <defs>
              <linearGradient id="gradient" x1="0.000" y1="0.500" x2="1.000" y2="0.500">
        <stop offset="0.000" stop-color="#0f2046" /><stop offset="0.200" stop-color="#1a407a" /><stop offset="0.400" stop-color="#3e76a3" /><stop offset="0.600" stop-color="#76a4b1" /><stop offset="0.800" stop-color="#b6ac9d" /><stop offset="1.000" stop-color="#f28c71" />
              </linearGradient>
            </defs>
            <rect x="0" y="0" width="800" height="400" fill="url(#gradient)" />
          </svg>

["#0f2046", "#1a407a", "#3e76a3", "#76a4b1", "#b6ac9d", "#f28c71"]

// https://grabient.com/_gJ3gGSgF0gI9gEagFCgFhgJ1gIBgHrgIWgK-?style=linearGradient&steps=6&angle=90
// cosine gradient palette — https://iquilezles.org/articles/palettes/
const float STEPS = 6.0;
const float ANGLE = 90.0;

vec3 palette(float t) {
    vec3 a = vec3(0.631, 0.402, 0.372);
    vec3 b = vec3(0.573, 0.282, 0.322);
    vec3 c = vec3(0.353, 0.629, 0.513);
    vec3 d = vec3(0.491, 0.534, 0.702);
    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);
}

[
  [0.631, 0.402, 0.372],
  [0.573, 0.282, 0.322],
  [0.353, 0.629, 0.513],
  [0.491, 0.534, 0.702]
]