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Primary Smoke

#24032d
Notes

Primary Smoke (#24032D) is a deep violet 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 (287°, 88%, 9%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#24032d
RGB
rgb(36, 3, 45)
HSL
hsl(287, 88%, 9%)
HWB
hwb(287 1% 82%)
OKLCH
oklch(19.6% 0.085 318.2)
HSV
hsv(287, 93%, 18%)
LAB
lab(5.69% 24.02 -19.74)
LCH
lch(5.69% 31.09 320.59)
CMYK
cmyk(20%, 93%, 0%, 82%)

Etymology

Primary
adjective

Latin prīmārius, first — adjectival suffix -ary, derived from prīmus (first). As a color modifier, primary implies a neutral-and-foundational-and-base-color quality where the hue carries the visual register of Bauhaus-and-Mondrian-De-Stijl foundational-primary-color theoretical-color-system. Sits at the neutral-and-foundational end of the grid, parallel to primal and foundational in usage.

Smoke
noun

The visible suspension of fine particles produced by combustion — wood smoke, oil smoke, the soft gray haze of distant forest fires. The color refers to mid-density wood smoke seen against a clear sky: a soft, slightly muted gray with the optical translucency of a particulate cloud. Cooler than ash, warmer than fog, with the atmospheric weight of a phenomenon that has signaled human presence for the entire history of fire.

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.

#24032d
Original
#00102e
Protanopia
#04142c
Deuteranopia
#240b17
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
18.65:1
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
1.13:1

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