Cobalt

#0547B8

General Information About Cobalt Blue

Cobalt, represented by the hex code #0547B8, is a deep and rich shade of blue, often associated with stability, trustworthiness, and intelligence. It derives its name from the mineral cobalt, which has been used to impart blue hues to glass and ceramics for centuries. In color psychology, cobalt blue is seen as a calming and authoritative color, making it a popular choice for corporate branding and designs that aim to convey a sense of reliability. This particular shade has a relatively low luminance, meaning it appears darker and more saturated. Its RGB values are Red: 5, Green: 71, and Blue: 184, indicating a strong emphasis on the blue component, while the red and green components are significantly lower.

The color #0547B8, a deep cobalt blue, presents several accessibility considerations for web development. Its low luminance value (relative to white) means it requires careful pairing with text colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When used as a background color, white or very light hues are advisable for the foreground text. Furthermore, relying solely on color to convey information is discouraged; supplementary cues like text labels or icons should be included. Careful consideration of users with visual impairments, including those with color blindness, is crucial. Tools are available to simulate color blindness and verify contrast ratios, aiding in the creation of inclusive and accessible designs. Utilizing a color palette testing tool is advised when using this specific color to ensure the selected color palette is fully accessible.

Shades

Digital Color Formats

RGB
5 71 184
RGB5 71 184
Red
Green
Blue
HSL
217.88deg 94.71% 37.06%
217.8894.7137.06HSL
Hue
Saturation
Lightness
HWB
217.88deg 1.96% 27.84%
217.881.9627.84HWB
Hue
Whiteness
Blackness
hex#0547B8
rgb5 71 184
hsl217.88deg 94.71% 37.06%
cmyk97.28% 61.41% 0% 27.84%
hwb217.88deg 1.96% 27.84%
xyz-d650.11 0.08 0.46
oklch0.4409 0.1884 261.34
oklab0.4409 -0.03 -0.19
CMYK
97.28% 61.41% 0% 27.84%
97.2861.41027.84CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.08 0.46
0.110.080.46XYZ
X
Y
Z
OKLCH
0.4409 0.1884 261.34
0.44090.1884261.34LCH
Lightness
Chroma
Hue
OKLAB
0.4409 -0.03 -0.19
0.4409-0.03-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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