Outer Space

#303A39

General Information about #303A39

The hexadecimal color code #303A39 represents a dark, muted shade of gray, often referred to as "Outer Space." It is composed of 18.82% red, 22.75% green, and 22.35% blue. In the RGB color space, it is defined by the values (48, 58, 57). Its CMYK equivalent is (0.17, 0, 0.02, 0.77). This color falls within the gray color family due to the relatively similar proportions of red, green, and blue. Colors similar to #303A39 are often used to evoke feelings of sophistication, neutrality, and calmness. Its subtle nature makes it suitable for applications where a background color should not be overly distracting.

The hex color #303A39, also known as Outer Space, presents specific accessibility considerations. Its relatively low luminance can create challenges for users with visual impairments. When using this color for text, it is crucial to ensure a high contrast ratio against the background. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text (14pt bold or 18pt regular) to meet WCAG AA standards. For WCAG AAA compliance, even higher contrast ratios are necessary. Using color contrast analysis tools can help verify adequate contrast. Avoid using #303A39 as the sole means of conveying information, as colorblind users may not be able to distinguish it. Supplement color cues with text labels, icons, or patterns to ensure inclusivity.

Shades

Digital Color Formats

RGB
48 58 57
RGB48 58 57
Red
Green
Blue
HSL
174deg 9.43% 20.78%
1749.4320.78HSL
Hue
Saturation
Lightness
HWB
174deg 18.82% 77.25%
17418.8277.25HWB
Hue
Whiteness
Blackness
hex#303A39
rgb48 58 57
hsl174deg 9.43% 20.78%
cmyk17.24% 0% 1.72% 77.25%
hwb174deg 18.82% 77.25%
xyz-d650.03 0.04 0.04
oklch0.3389 0.0135 189.32
oklab0.3389 -0.01 0
CMYK
17.24% 0% 1.72% 77.25%
17.2401.7277.25CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.03 0.04 0.04
0.030.040.04XYZ
X
Y
Z
OKLCH
0.3389 0.0135 189.32
0.33890.0135189.32LCH
Lightness
Chroma
Hue
OKLAB
0.3389 -0.01 0
0.3389-0.010LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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