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Spare Kālā

#150a18
Notes

Spare Kālā (#150A18) is a deep violet with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (287°, 41%, 7%) 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
#150a18
RGB
rgb(21, 10, 24)
HSL
hsl(287, 41%, 7%)
HWB
hwb(287 4% 91%)
OKLCH
oklch(16.8% 0.033 318.8)
P3
color(display-p3 0.0761 0.0411 0.0909)
HSV
hsv(287, 58%, 9%)
LAB
lab(4.00% 6.64 -6.25)
LCH
lch(4.00% 9.12 316.74)
CMYK
cmyk(12%, 58%, 0%, 91%)

Etymology

Spare
adjective

Old English spær, frugal, scant — used as a color modifier since the seventeenth century for hues that read as minimal and unornamented. Spare gray, spare white: very low saturation combined with optical restraint. Sits at the neutral-bucket alongside bare and plain.

Kālā
noun

Sanskrit काला, black — also the Hindu color of Kāla, the personification of time itself, and the iconic deep blue-black of Krishna's divine skin in classical Bhakti poetry. Kālā color refers to a Krishna miniature-painting figure-skin in a Mewar-school 17th-century Bhakti devotional manuscript: a saturated, slightly cool deep black with the matte finish of multi-bath iron-and-tannin mordant pigment on hand-prepared vasli paper.

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.

#150a18
Original
#080d19
Protanopia
#0b0e18
Deuteranopia
#150c0f
Tritanopia
#0d0d0d
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
19.29:1
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
1.09:1

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
##150A18
Display P3
Display P3
color(display-p3 0.0761 0.0411 0.0909)
Inside sRGBOKLCH chroma 0.033

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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