#0000CDMediumblue is a vivid, fully saturated, dark cool blue (#0000CD).
Mediumblue reads as a vivid, fully saturated blue with a cool temperament. Colors in this range are commonly associated with trust, calm and competence, which makes mediumblue a natural fit for corporate branding, links and interfaces that need to feel dependable.
With a 11.16:1 contrast ratio against white, mediumblue is dark enough to carry white text at any size — use it confidently for buttons, headers and filled UI elements. Against black text it manages 1.88:1, so stick with white type on mediumblue surfaces.
For pairings, the complement of mediumblue sits at 60° — #CCCC00 — and delivers the strongest possible hue contrast; use it sparingly, in roughly a 90/10 split, so the two don't fight. For calmer schemes, the analogous colors 30° to either side keep the same cool temperature, while the triadic pair gives you a balanced three-color palette. All of these are computed for mediumblue in the palettes below, with copy-ready codes.
Every palette below is computed from mediumblue's position on the color wheel (hue 240°). Hover any swatch to see its code; click to copy.
Tints mix mediumblue toward white; shades mix it toward black. Use the scale for hover states, borders and depth without leaving the hue.
WCAG 2.1 requires 4.5:1 for normal text (AA) and 3:1 for large text. Here's how mediumblue performs, plus how it appears under the three main types of dichromatic color blindness (simulated approximation).
| Pairing | Ratio | Normal text | Large text |
|---|---|---|---|
| White text on Mediumblue | 11.16:1 | AAA | AAA |
| Black text on Mediumblue | 1.88:1 | Fail | Fail |
#00009B#000090#00746CCopy-ready snippets. In CSS you can also use the keyword mediumblue directly.
:root {
--mediumblue: #0000CD;
--mediumblue-rgb: 0, 0, 205;
--mediumblue-tint: #7373E4;
--mediumblue-shade: #000071;
}
.btn-mediumblue {
background: var(--mediumblue);
color: #ffffff;
}// tailwind.config.js
colors: {
'mediumblue': {
DEFAULT: '#0000CD',
light: '#7373E4',
dark: '#000071',
},
}The closest CSS named colors by perceptual (Lab) distance.