Ultramarine

#1D108B

About Ultramarine

Ultramarine, represented by the hexadecimal color code #1D108B, is a deep blue pigment originally derived from the precious gemstone lapis lazuli. This color is highly valued for its rich, intense hue and historical significance in art and design. Chemically, it's a complex sodium aluminosilicate with sulfur, responsible for its characteristic blue color. In color theory, ultramarine is considered a cool color, often associated with depth, stability, and sophistication. Its name, literally meaning 'beyond the sea,' reflects its origin from stones imported into Europe from distant lands. Today, synthetic ultramarine is widely available, offering a more affordable and consistent alternative to the natural pigment, while retaining its captivating aesthetic appeal.

The color #1D108B, a deep ultramarine, presents some accessibility challenges. Its dark hue results in a low contrast ratio against lighter backgrounds, which can make text or interactive elements difficult to read for users with visual impairments. According to WCAG guidelines, sufficient contrast is crucial for readability. To improve accessibility, consider pairing this color with very light colors like white or pale yellow to ensure a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Additionally, avoid using this color for critical elements without proper contrast, such as links or buttons, as users might miss them. Providing alternative visual cues, such as underlines or icons, can further enhance usability for all users.

Shades

Digital Color Formats

RGB
29 16 139
RGB29 16 139
Red
Green
Blue
HSL
246.34 79.35% 30.39%
246.3479.3530.39HSL
Hue
Saturation
Lightness
HWB
246.34 6.27% 45.49%
246.346.2745.49HWB
Hue
Whiteness
Blackness
hex#1D108B
rgb29 16 139
hsl246.34 79.35% 30.39%
cmyk79.14% 88.49% 0% 45.49%
hwb246.34 6.27% 45.49%
xyz5.35 2.5 24.63
CMYK
79.14% 88.49% 0% 45.49%
79.1488.49045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ
5.35 2.5 24.63
5.352.524.63XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

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