Big Stone

#15303D

General Information about #15303D

The hex color #15303D, also known as Big Stone, is a dark, muted shade of blue-green. In the RGB color model, it is composed of 8.24% red, 18.82% green, and 23.92% blue. This color is often associated with feelings of sophistication, stability, and tranquility. Its low saturation and dark value make it suitable for backgrounds or accents where a subtle and understated effect is desired. In color psychology, it is believed to promote a sense of calmness and focus, making it a popular choice for professional and creative environments. Due to its darkness, it requires careful consideration of contrast when used with text to ensure readability.

The hex color #15303D, also known as Big Stone, presents some accessibility challenges, especially when used for text. Its low luminance value of approximately 5% means that it requires very light text to meet WCAG (Web Content Accessibility Guidelines) standards for contrast. Using it for backgrounds necessitates careful selection of foreground colors to ensure readability for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Tools like contrast checkers can help verify compliance. When using this color, consider providing alternative color schemes for users with specific needs to improve overall website accessibility.

Shades

Digital Color Formats

RGB
21 48 61
RGB21 48 61
Red
Green
Blue
HSL
199.5deg 48.78% 16.08%
199.548.7816.08HSL
Hue
Saturation
Lightness
HWB
199.5deg 8.24% 76.08%
199.58.2476.08HWB
Hue
Whiteness
Blackness
hex#15303D
rgb21 48 61
hsl199.5deg 48.78% 16.08%
cmyk65.57% 21.31% 0% 76.08%
hwb199.5deg 8.24% 76.08%
xyz-d650.02 0.03 0.05
oklch0.2943 0.0405 231.27
oklab0.2943 -0.03 -0.03
CMYK
65.57% 21.31% 0% 76.08%
65.5721.31076.08CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.03 0.05
0.020.030.05XYZ
X
Y
Z
OKLCH
0.2943 0.0405 231.27
0.29430.0405231.27LCH
Lightness
Chroma
Hue
OKLAB
0.2943 -0.03 -0.03
0.2943-0.03-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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