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Austere Tibet

#0d1756
Notes

Austere Tibet (#0D1756) is a deep blue 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 (232°, 74%, 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#0d1756
RGB
rgb(13, 23, 86)
HSL
hsl(232, 74%, 19%)
HWB
hwb(232 5% 66%)
OKLCH
oklch(24.8% 0.113 268.8)
P3
color(display-p3 0.0594 0.0891 0.3235)
HSV
hsv(232, 85%, 34%)
LAB
lab(11.76% 21.80 -39.11)
LCH
lch(11.76% 44.78 299.13)
CMYK
cmyk(85%, 73%, 0%, 66%)

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.

Tibet
noun

The high-altitude plateau of central Asia — and the saturated deep blue of Tibetan prayer-flag (lung-ta) blue panels and the deep blue of Tibetan summer sky at 4,000-meter altitude. Tibet refers to a fresh Tibetan prayer-flag blue panel: a saturated, slightly cool deep blue with the matte finish of cotton-dyed prayer flag.

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.

#0d1756
Original
#002358
Protanopia
#001c55
Deuteranopia
#002834
Tritanopia
#191919
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
16.48:1
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
1.27:1

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
##0D1756
Display P3
Display P3
color(display-p3 0.0594 0.0891 0.3235)
P3 has subtle headroomOKLCH chroma 0.113

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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