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Austere Adriatic

#113352
Notes

Austere Adriatic (#113352) is a deep azure with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (209°, 66%, 19%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#113352
RGB
rgb(17, 51, 82)
HSL
hsl(209, 66%, 19%)
HWB
hwb(209 7% 68%)
OKLCH
oklch(31.3% 0.068 249.2)
P3
color(display-p3 0.1030 0.1970 0.3120)
HSV
hsv(209, 79%, 32%)
LAB
lab(20.42% -0.09 -22.42)
LCH
lch(20.42% 22.42 269.77)
CMYK
cmyk(79%, 38%, 0%, 68%)

Etymology

Austere
adjective

Latin austērus, harsh / bitter. As a color modifier, austere implies a deep-and-stripped-down formality, the dark plain-textile color of Bauhaus and Cistercian monastic interior aesthetic. Sits at the deep-and-formal end of the grid, parallel to stern and severe in tone.

Adriatic
noun

The arm of the Mediterranean between the Italian peninsula and the Balkans — Venice's lagoon at one end, the Strait of Otranto at the other. The color refers to the average mid-summer reflectance of Adriatic water near the Croatian coast: a saturated, slightly green-shifted blue with the optical complexity of a sea where karst limestone bottoms scatter light back upward. Brighter than mediterranean, cooler than aegean.

Closest matches

The nearest named color in three reference sources, ranked by perceptual distance (ΔE76 in CIELAB). ΔE < 1 is imperceptible to most viewers; ΔE > 10 is clearly different. When two sources point to the same hex they’re merged into one tile; click any to open that color’s page.

Variations

Click any swatch to explore

Harmonies

Accessibility

Color-vision simulation

How this color appears to viewers with the four major color-vision-deficiency types. Computed via the Machado (2009) physiologically-based model. If a tile matches the original, the color reads the same to that viewer.

#113352
Original
#253553
Protanopia
#1c2e51
Deuteranopia
#003a3e
Tritanopia
#2e2e2e
Achromatopsia
WCAG contrast

The color used as foreground text against pure white and pure black, with the contrast ratio and WCAG 2.1 grade. Aim for AA (4.5:1) for body text and AA Large (3:1) for 18 pt+ headlines; AAA (7:1) is the gold standard for long-form reading surfaces.

The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon White
12.97:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
1.62:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##113352
Display P3
Display P3
color(display-p3 0.1030 0.1970 0.3120)
Inside sRGBOKLCH chroma 0.068

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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