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Bucolic Tenebrae

#1a0921
Notes

Bucolic Tenebrae (#1A0921) is a deep violet with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (283°, 57%, 8%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1a0921
RGB
rgb(26, 9, 33)
HSL
hsl(283, 57%, 8%)
HWB
hwb(283 4% 87%)
OKLCH
oklch(18.0% 0.052 315.1)
P3
color(display-p3 0.0931 0.0386 0.1243)
HSV
hsv(283, 73%, 13%)
LAB
lab(4.74% 12.26 -12.16)
LCH
lch(4.74% 17.27 315.24)
CMYK
cmyk(21%, 73%, 0%, 87%)

Etymology

Bucolic
adjective

Greek boukolikós, of-cattle-herding — adjectival suffix -ic. As a color modifier, bucolic implies a neutral-and-rural-and-pastoral quality, the neutral color of Constable-Stour-Valley-painting and Beethoven-Pastoral idyllic-rural-pastoral mood-evoking color treatment. Sits at the neutral-and-traditional end of the grid, parallel to pastoral and idyllic in usage.

Tenebrae
noun

Latin tenebrae, darkness — the Tenebrae service of Holy Week, where the Lamentations of Jeremiah are sung as candles are progressively extinguished, ending in total darkness. Tenebrae color refers to a Sistine Chapel-period Tenebrae service interior at the final candle-extinction: a saturated, slightly cool deep black with the matte finish of cinder-and-bone-black candle-soot on hand-finished Italian Renaissance plaster.

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.

#1a0921
Original
#040f22
Protanopia
#091120
Deuteranopia
#1a0d13
Tritanopia
#0e0e0e
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
19.01:1
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
1.10:1

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
##1A0921
Display P3
Display P3
color(display-p3 0.0931 0.0386 0.1243)
Inside sRGBOKLCH chroma 0.052

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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