International Klein Blue

#042AB0

General Information about #042AB0

The hexadecimal color code #042AB0 represents a deep, saturated blue often associated with the name International Klein Blue (IKB), although IKB has specific formulations not perfectly matched by a generic hex code. Hex color #042AB0 is composed of 1.57% red, 16.47% green, and 69.02% blue. In the RGB (red, green, blue) color model, these values translate to 4 red, 42 green, and 176 blue. The corresponding CMYK (cyan, magenta, yellow, key/black) values are 98%, 76%, 0%, and 31%. This indicates a high concentration of cyan and magenta, contributing to the blue hue. This color evokes feelings of depth, stability, and confidence. Colors similar to it are often used to represent trust and security, making it popular in corporate branding.

The color #042AB0, a deep, saturated blue reminiscent of International Klein Blue, presents significant accessibility challenges, particularly for users with visual impairments. Its low luminance value requires careful consideration of color contrast ratios. When used as a foreground color, it necessitates pairing with a very light background (approaching white) to meet WCAG (Web Content Accessibility Guidelines) AA standards for normal text (4.5:1 contrast ratio) and large text (3:1 contrast ratio). Insufficient contrast can render text unreadable for individuals with low vision or color blindness. Conversely, using #042AB0 as a background color requires a very light foreground color. Avoid pairing it with mid-tone or dark colors. Furthermore, rely not only on color to convey crucial information. Incorporate text labels, icons, or other visual cues to ensure that content remains accessible to all users, including those who may not be able to distinguish the color effectively.

Shades

Digital Color Formats

RGB
4 42 176
RGB4 42 176
Red
Green
Blue
HSL
226.74deg 95.56% 35.29%
226.7495.5635.29HSL
Hue
Saturation
Lightness
HWB
226.74deg 1.57% 30.98%
226.741.5730.98HWB
Hue
Whiteness
Blackness
hex#042AB0
rgb4 42 176
hsl226.74deg 95.56% 35.29%
cmyk97.73% 76.14% 0% 30.98%
hwb226.74deg 1.57% 30.98%
xyz-d650.09 0.05 0.42
oklch0.3815 0.2109 264.27
oklab0.3815 -0.02 -0.21
CMYK
97.73% 76.14% 0% 30.98%
97.7376.14030.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.05 0.42
0.090.050.42XYZ
X
Y
Z
OKLCH
0.3815 0.2109 264.27
0.38150.2109264.27LCH
Lightness
Chroma
Hue
OKLAB
0.3815 -0.02 -0.21
0.3815-0.02-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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