Gray color · XKCD survey name
Blue Gray Color Code: #607C8E
Blue Gray is a medium gray with a faint azure tint color with the hexadecimal value #607C8E. In RGB it is 96, 124, 142 and in HSL it is 203°, 19%, 47%. Black text reads best on it (4.77:1 contrast).
Also spelled “Blue Grey”.
Blue Gray color values
#607C8E
rgb(96, 124, 142)
hsl(203, 19%, 47%)
203, 32%, 56%
hwb(203 38% 44%)
32%, 13%, 0%, 44%
6323342
CMYK is a standard screen-to-print conversion. Printed results depend on inks, paper and color profiles.
What is Blue Gray?
“Blue Gray” 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 saturation is only 19%, so it behaves as a neutral, with 19% saturation (muted) and 47% lightness (medium). It is a cool color.
Compared with the other gray colors in the Aqeeb Studio library, it is lighter than 25% of them and more saturated than 88% of them.
Its relative luminance is 0.189, which makes it a mid-tone color. That is above the 0.179 crossover point at which black and white text have equal contrast, so black text has the advantage.
Blue Gray counts as a light color: its HSL lightness is 47% and its relative luminance is 0.189. Black text reads best on it (4.77:1 contrast).
Text contrast on Blue Gray
| Text | Preview | Ratio | AA normal | AA large | AAA normal | AAA large |
|---|---|---|---|---|---|---|
| White text | Sample text | 4.40:1 Limited | Fail | Pass | Fail | Fail |
| Black text | Sample text | 4.77:1 Good | Pass | Pass | Fail | Pass |
Ratios use the WCAG 2 formula and are truncated, never rounded up. Test any pair with the contrast checker.
Colors that go with Blue Gray
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 Blue Gray
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 Blue Gray
- Card, highlight and section backgrounds with dark text (4.77:1 contrast with black)
- Calm backgrounds, editorial layouts and understated UI elements
- Large headings, icons and graphics, where a 3:1 contrast ratio is enough
- Body text, borders and dividers
- Secondary buttons and disabled states
- Neutral page backgrounds
Use Blue Gray in CSS
:root {
--color-blue-gray: #607C8E;
}
.element {
color: var(--color-blue-gray);
background-color: #607C8E;
border: 2px solid #607C8E;
}Questions about Blue Gray
What is the HEX code for Blue Gray?
Blue Gray is #607C8E.
What is the RGB value of Blue Gray?
The RGB value of Blue Gray is 96, 124, 142: 96 red, 124 green and 142 blue on a 0–255 scale, written rgb(96, 124, 142) in CSS.
What is the HSL value of Blue Gray?
The HSL value of Blue Gray is 203°, 19%, 47% (hue, saturation, lightness), written hsl(203, 19%, 47%) in CSS.
What is the CMYK value of Blue Gray?
A standard conversion gives about C 32%, M 13%, Y 0%, K 44%. Real print results depend on the inks, paper and color profile, so treat CMYK here as a reference value.
Is Blue Gray a light or dark color?
Blue Gray counts as a light color: its HSL lightness is 47% and its relative luminance is 0.189. Black text reads best on it (4.77:1 contrast).
How does Blue Gray look with white text?
White text on Blue Gray has a contrast ratio of 4.40:1, rated Limited. It does not reach WCAG AA for normal text; use large text only.
How does Blue Gray look with black text?
Black text on Blue Gray has a contrast ratio of 4.77:1, rated Good. It meets WCAG AA for normal text.
What colors go well with Blue Gray?
Dark Taupe is its complementary color, and Dusty Teal sits beside it as an analogous color. Lighter and darker variants of the same hue also work well for monochromatic palettes.
Where can Blue Gray be used?
It suits card, highlight and section backgrounds with dark text (4.77:1 contrast with black); calm backgrounds, editorial layouts and understated UI elements; large headings, icons and graphics, where a 3:1 contrast ratio is enough.
How do I use Blue Gray in CSS?
Use color: #607C8E; for text, background-color: #607C8E; for fills, or define a custom property such as --color-blue-gray: #607C8E; and reuse it with var(--color-blue-gray).
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.