Blue color · XKCD survey name
Dusky Blue Color Code: #475F94
Dusky Blue (#475F94) is a medium-dark, soft azure shade: RGB 71, 95, 148, HSL 221°, 35%, 43%. White text reads comfortably on it (6.30:1 contrast).
Dusky Blue color values
#475F94
rgb(71, 95, 148)
hsl(221, 35%, 43%)
221, 52%, 58%
hwb(221 28% 42%)
52%, 36%, 0%, 42%
4677524
CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.
What is Dusky Blue?
“Dusky Blue” is a crowd-sourced name from the XKCD Color Survey, in which participants typed names for colors they were shown. It is a popular everyday label rather than an official standard.
Its hue angle of 221° places it in the azure part of the color wheel, with 35% saturation (soft) and 43% lightness (medium-dark). It is a cool color.
Compared with the other blue colors in the Aqeeb Studio library, it is lighter than 39% of them and more saturated than 8% of them.
Its relative luminance is 0.117, which makes it a dark color. That is below the 0.179 crossover point at which black and white text have equal contrast, so white text has the advantage.
Dusky Blue counts as a dark color: its HSL lightness is 43% and its relative luminance is 0.117. White text reads comfortably on it (6.30:1 contrast).
Text contrast on Dusky Blue
| Text | Preview | Ratio | AA normal | AA large | AAA normal | AAA large |
|---|---|---|---|---|---|---|
| White text | Sample text | 6.30:1 Good | Pass | Pass | Fail | Pass |
| Black text | Sample text | 3.33:1 Limited | Fail | Pass | Fail | Fail |
Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.
Colors that go with Dusky Blue
Complementary color
Complementary colors sit directly opposite each other on the color wheel (180° apart). They give the strongest hue contrast, which suits calls to action and accents.
Analogous colors
Analogous colors are neighbors on the wheel, 30° either side of the base hue. They blend smoothly and are easy to combine in backgrounds, gradients and illustrations.
Triadic colors
A triadic scheme uses three hues spaced 120° apart. It is lively yet balanced, and works best when one color leads and the other two act as accents.
Split-complementary colors
Split-complementary keeps the base color and uses the two colors on either side of its complement (150° and 210°). The contrast is strong but gentler than a direct complement.
Tetradic colors
A tetradic (rectangle) scheme combines two complementary pairs at 0°, 60°, 180° and 240°. It offers variety but needs one dominant color to stay balanced.
Monochromatic variants
Monochromatic variants keep the same hue and saturation and only change lightness, which makes them dependable for UI scales and subtle layered designs.
A “≈” before a name means the exact harmony color has no named match, so the link goes to the closest named color.
Tints and shades of Dusky Blue
Lighter tints (mixed with white)
Darker shades (mixed with black)
Select any swatch to copy its HEX code. Build longer scales with the tints and shades tool.
Similar colors
Where to use Dusky Blue
- Button, banner and badge backgrounds with white text (6.30:1 contrast)
- Large headings, icons and graphics, where a 3:1 contrast ratio is enough
- Headers and navigation bars
- Charts and dashboards
- Links, buttons and primary interface accents
- Corporate, finance and software branding
Use Dusky Blue in CSS
:root {
--color-dusky-blue: #475F94;
}
.element {
color: var(--color-dusky-blue);
background-color: #475F94;
border: 2px solid #475F94;
}Questions about Dusky Blue
What is the HEX code for Dusky Blue?
Dusky Blue is #475F94.
What is the RGB value of Dusky Blue?
The RGB value of Dusky Blue is 71, 95, 148: 71 red, 95 green and 148 blue on a 0–255 scale, written rgb(71, 95, 148) in CSS.
What is the HSL value of Dusky Blue?
The HSL value of Dusky Blue is 221°, 35%, 43% (hue, saturation, lightness), written hsl(221, 35%, 43%) in CSS.
What is the CMYK value of Dusky Blue?
A standard conversion gives about C 52%, M 36%, Y 0%, K 42%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.
Is Dusky Blue a light or dark color?
Dusky Blue counts as a dark color: its HSL lightness is 43% and its relative luminance is 0.117. White text reads comfortably on it (6.30:1 contrast).
How does Dusky Blue look with white text?
White text on Dusky Blue has a contrast ratio of 6.30:1, rated Good. It meets WCAG AA for normal text.
How does Dusky Blue look with black text?
Black text on Dusky Blue has a contrast ratio of 3.33:1, rated Limited. It does not reach WCAG AA for normal text; use large text only.
What colors go well with Dusky Blue?
Coffee is its complementary color, and Ocean sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.
Where can Dusky Blue be used?
It suits button, banner and badge backgrounds with white text (6.30:1 contrast); large headings, icons and graphics, where a 3:1 contrast ratio is enough; headers and navigation bars.
How do I use Dusky Blue in CSS?
Use color: #475F94; for text, background-color: #475F94; for fills, or define a custom property such as --color-dusky-blue: #475F94; and reuse it with var(--color-dusky-blue).
About this color page
Crowd-sourced name from the XKCD Color Survey (CC0). Values are calculated from the HEX code; color names are labels, not trademarks or standards unless stated. Screens render colors differently, so always check important colors on your own device. See the disclaimer.