Cello

#21425D

General Information about #21425D

The hexadecimal color code #21425D, commonly referred to as Cello, is a dark shade of blue-gray. It is composed of 12.9% red, 25.9% green, and 36.5% blue. In the RGB color model, #21425D consists of 12.94% red, 25.88% green, and 36.47% blue. When converted to the CMYK color model, it is composed of 64.7% cyan, 29.1% magenta, 0% yellow, and 63.5% black. The color has a hue of 207 degrees, a saturation of 48%, and a lightness of 24.7%. Cello is often associated with feelings of calmness, stability, and sophistication. Its muted tone makes it a versatile color for various design applications. The name Cello suggests the rich, deep tones of the musical instrument, hinting at elegance and depth.

The color #21425D, also known as Cello, presents some accessibility considerations, especially in web design. Due to its relatively low lightness value, it's crucial to ensure sufficient contrast when used as a foreground or background color. Text rendered in #21425D against a white background might not meet WCAG (Web Content Accessibility Guidelines) standards for contrast ratio, potentially causing readability issues 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. Therefore, it's advisable to pair #21425D with lighter colors to enhance readability. Tools like contrast checkers can help determine if the color combinations meet accessibility standards. When using #21425D for interactive elements, like buttons, ensure sufficient visual cues, such as hover effects or clear borders, to improve usability for all users, including those with cognitive disabilities.

Shades

Digital Color Formats

RGB
33 66 93
RGB33 66 93
Red
Green
Blue
HSL
207deg 47.62% 24.71%
20747.6224.71HSL
Hue
Saturation
Lightness
HWB
207deg 12.94% 63.53%
20712.9463.53HWB
Hue
Whiteness
Blackness
hex#21425D
rgb33 66 93
hsl207deg 47.62% 24.71%
cmyk64.52% 29.03% 0% 63.53%
hwb207deg 12.94% 63.53%
xyz-d650.05 0.05 0.11
oklch0.3672 0.0609 245.25
oklab0.3672 -0.03 -0.06
CMYK
64.52% 29.03% 0% 63.53%
64.5229.03063.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.05 0.11
0.050.050.11XYZ
X
Y
Z
OKLCH
0.3672 0.0609 245.25
0.36720.0609245.25LCH
Lightness
Chroma
Hue
OKLAB
0.3672 -0.03 -0.06
0.3672-0.03-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons