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Quakerly Pyroclast

#140936
Notes

Quakerly Pyroclast (#140936) is a deep indigo 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 (255°, 71%, 12%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#140936
RGB
rgb(20, 9, 54)
HSL
hsl(255, 71%, 12%)
HWB
hwb(255 4% 79%)
OKLCH
oklch(19.2% 0.082 287.1)
HSV
hsv(255, 83%, 21%)
LAB
lab(5.51% 18.69 -26.81)
LCH
lch(5.51% 32.68 304.88)
CMYK
cmyk(63%, 83%, 0%, 79%)

Etymology

Quakerly
adjective

English Quaker, Religious-Society-of-Friends — adjectival suffix -ly. As a color modifier, quakerly implies a neutral-and-plain-and-stripped-down quality, the neutral color of Society-of-Friends-Meeting-House anti-ornamental-and-plain interior-and-textile traditional-style surface-finish. Sits at the neutral-and-stripped-down end of the grid, parallel to plain and simple in usage.

Pyroclast
noun

Greek pyrós (fire) and klastós (broken) — the deep-cool-gray volcanic-debris tephra of Plinian and Pelean eruption-column collapse, particularly the Mount St. Helens 1980 and Pinatubo 1991 deposit fans. Pyroclast color refers to a Pinatubo-deposit pyroclast surface in raking light: a dark cool-gray with the matte finish of cooling-rate-quenched volcanic-glass-and-mineral fragment.

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

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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.

#140936
Original
#001337
Protanopia
#001135
Deuteranopia
#07151e
Tritanopia
#0f0f0f
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
18.72:1
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
1.12:1

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