International Klein Blue

#0A1FC0

About International Klein Blue

The hexadecimal color code #0A1FC0 represents a specific shade of blue, often associated with International Klein Blue (IKB), a deep ultramarine hue first mixed by the French artist Yves Klein. In the RGB color model, #0A1FC0 is composed of 3.92% red, 12.16% green, and 75.29% blue. It exhibits a high saturation and brightness, making it a visually striking color. This particular blue is known for its ability to evoke feelings of depth, transcendence, and infinity. Its unique formulation and intense pigmentation distinguish it from standard blues, imbuing it with a unique and captivating aesthetic quality that has made it a favorite choice for artists and designers seeking to make a bold statement.

The hex color #0a1fc0, also known as International Klein Blue, presents significant accessibility challenges, particularly regarding contrast. When used as a background color, text must be a very light hue, approaching white, to ensure readability. Standard accessibility guidelines such as WCAG (Web Content Accessibility Guidelines) emphasize a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text against its background. This color necessitates careful consideration of these ratios to avoid creating barriers for users with visual impairments. Furthermore, relying solely on color to convey information is discouraged; supplementary cues like text labels or icons should accompany color-coded elements to cater to individuals with color vision deficiencies. Thorough testing with accessibility evaluation tools and users is crucial to guarantee an inclusive design.

Shades

Digital Color Formats

RGB
10 31 192
RGB10 31 192
Red
Green
Blue
HSL
233.08deg 90.1% 39.61%
233.0890.139.61HSL
Hue
Saturation
Lightness
HWB
233.08deg 3.92% 24.71%
233.083.9224.71HWB
Hue
Whiteness
Blackness
hex#0A1FC0
rgb10 31 192
hsl233.08deg 90.1% 39.61%
cmyk94.79% 83.85% 0% 24.71%
hwb233.08deg 3.92% 24.71%
xyz-d650.1 0.05 0.5
oklch0.3881 0.2374 265.28
oklab0.3881 -0.02 -0.24
CMYK
94.79% 83.85% 0% 24.71%
94.7983.85024.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.1 0.05 0.5
0.10.050.5XYZ
X
Y
Z
OKLCH
0.3881 0.2374 265.28
0.38810.2374265.28LCH
Lightness
Chroma
Hue
OKLAB
0.3881 -0.02 -0.24
0.3881-0.02-0.24LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons