Blue color · XKCD survey name
Dark Green Blue Color Code: #1F6357
Dark Green Blue (#1F6357) is a dark, rich blue-green shade: RGB 31, 99, 87, HSL 169°, 52%, 25%. White text reads comfortably on it (7.04:1 contrast).
Dark Green Blue color values
#1F6357
rgb(31, 99, 87)
hsl(169, 52%, 25%)
169, 69%, 39%
hwb(169 12% 61%)
69%, 0%, 12%, 61%
2057047
CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.
What is Dark Green Blue?
“Dark Green 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 169° places it in the blue-green part of the color wheel, with 52% saturation (rich) and 25% lightness (dark). It is a cool color.
Compared with the other blue colors in the Aqeeb Studio library, it is lighter than 9% of them and more saturated than 25% of them.
Its relative luminance is 0.099, 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.
Dark Green Blue counts as a dark color: its HSL lightness is 25% and its relative luminance is 0.099. White text reads comfortably on it (7.04:1 contrast).
Text contrast on Dark Green Blue
| Text | Preview | Ratio | AA normal | AA large | AAA normal | AAA large |
|---|---|---|---|---|---|---|
| White text | Sample text | 7.04:1 Excellent | Pass | Pass | Pass | Pass |
| Black text | Sample text | 2.98:1 Poor | Fail | Fail | 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 Dark Green 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 Dark Green 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 Dark Green Blue
- Button, banner and badge backgrounds with white text (7.04:1 contrast)
- Headers and navigation bars
- Charts and dashboards
- Links, buttons and primary interface accents
- Corporate, finance and software branding
Use Dark Green Blue in CSS
:root {
--color-dark-green-blue: #1F6357;
}
.element {
color: var(--color-dark-green-blue);
background-color: #1F6357;
border: 2px solid #1F6357;
}Questions about Dark Green Blue
What is the HEX code for Dark Green Blue?
Dark Green Blue is #1F6357.
What is the RGB value of Dark Green Blue?
The RGB value of Dark Green Blue is 31, 99, 87: 31 red, 99 green and 87 blue on a 0–255 scale, written rgb(31, 99, 87) in CSS.
What is the HSL value of Dark Green Blue?
The HSL value of Dark Green Blue is 169°, 52%, 25% (hue, saturation, lightness), written hsl(169, 52%, 25%) in CSS.
What is the CMYK value of Dark Green Blue?
A standard conversion gives about C 69%, M 0%, Y 12%, K 61%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.
Is Dark Green Blue a light or dark color?
Dark Green Blue counts as a dark color: its HSL lightness is 25% and its relative luminance is 0.099. White text reads comfortably on it (7.04:1 contrast).
How does Dark Green Blue look with white text?
White text on Dark Green Blue has a contrast ratio of 7.04:1, rated Excellent. It meets WCAG AA for normal text.
How does Dark Green Blue look with black text?
Black text on Dark Green Blue has a contrast ratio of 2.98:1, rated Poor. It falls below the WCAG minimum for text.
What colors go well with Dark Green Blue?
Burgundy is its complementary color, and Spruce sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.
Where can Dark Green Blue be used?
It suits button, banner and badge backgrounds with white text (7.04:1 contrast); headers and navigation bars; charts and dashboards.
How do I use Dark Green Blue in CSS?
Use color: #1F6357; for text, background-color: #1F6357; for fills, or define a custom property such as --color-dark-green-blue: #1F6357; and reuse it with var(--color-dark-green-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.