#0F5C63
#2A8A8C
#9FD3CF
#F2F1EA
#215766Peacock
#288FA5Steel Blue
#46E1F0Turquoise
#EFFEFFWhite
Deep Turquoise & Steel Blue is a vivid monochromatic color palette tagged cold, teal, white. A monochromatic set: the same hue family from Peacock down to White. Saturation runs high, so use the brightest color sparingly and let the others carry the surface area. The overall temperature is cool.
Color codes click any value to copy
| Swatch | Name | HEX | RGB | HSL | OKLCH |
|---|---|---|---|---|---|
| Peacock | #215766 | rgb(33, 87, 102) | hsl(193, 51%, 26%) | oklch(42.8% 0.061 219) | |
| Steel Blue | #288FA5 | rgb(40, 143, 165) | hsl(191, 61%, 40%) | oklch(60.3% 0.096 216) | |
| Turquoise | #46E1F0 | rgb(70, 225, 240) | hsl(185, 85%, 61%) | oklch(83.7% 0.127 205) | |
| White | #EFFEFF | rgb(239, 254, 255) | hsl(184, 100%, 97%) | oklch(98.6% 0.016 202) |
Why it works and how to use it
The palette holds together thanks to its monochromatic hue relationship and a strong light-to-dark ladder (97% down to 26% lightness). A natural fit for websites, presentations and branding.
- Background: White (#EFFEFF) is the lightest color, so it belongs on large surfaces.
- Text: Peacock (#215766) on #EFFEFF gives 7.75:1, passing WCAG AAA.
- Primary: Turquoise (#46E1F0) is the most saturated mid-tone; use it for buttons and links with a border or a darker shade for contrast.
- Accent: Steel Blue (#288FA5) for highlights, badges and hover states.
2 of 6 color pairs pass WCAG AA (4.5:1); the strongest is Peacock on White at 7.75:1.
Preview on a real UI see how the palette feels in context
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Design faster with Deep Turquoise & Steel Blue
A palette preview that turns four colors into a page, so you can judge hierarchy, contrast and mood before you commit.
Primary action SecondaryCard title
Card title
Card title
Roles are assigned by lightness.
Color blindness simulation
#215766
#288FA5
#46E1F0
#EFFEFF
Color-blind check: all four colors stay distinguishable under protanopia, deuteranopia and tritanopia.
Contrast check WCAG ratios between palette colors
| Pair | Sample | Ratio | Level |
|---|---|---|---|
#215766 on #EFFEFF | Aa | 7.75:1 | AAA |
#215766 on #46E1F0 | Aa | 5.07:1 | AA |
#288FA5 on #EFFEFF | Aa | 3.65:1 | AA large only |
#288FA5 on #46E1F0 | Aa | 2.39:1 | Fail |
#215766 on #288FA5 | Aa | 2.12:1 | Fail |
#46E1F0 on #EFFEFF | Aa | 1.53:1 | Fail |
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