colors
Back to gallery

Stoical Tar

#15031a
Notes

Stoical Tar (#15031A) 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°, 79%, 6%) 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
#15031a
RGB
rgb(21, 3, 26)
HSL
hsl(287, 79%, 6%)
HWB
hwb(287 1% 90%)
OKLCH
oklch(15.1% 0.056 319.1)
P3
color(display-p3 0.0730 0.0146 0.0972)
HSV
hsv(287, 88%, 10%)
LAB
lab(2.70% 9.99 -9.74)
LCH
lch(2.70% 13.95 315.74)
CMYK
cmyk(19%, 88%, 0%, 90%)

Etymology

Stoical
adjective

Greek stōikós, of-the-Stoa — adjectival suffix -al. As a color modifier, stoical implies a neutral-and-restrained-and-unaffected quality, the neutral color of Stoic-philosophical and Spartan-school unaffected-and-stripped-down formal-but-unaffected color-decision. Sits at the neutral-and-restrained end of the grid, parallel to stoic and reserved in usage.

Tar
noun

The viscous black liquid produced by distilling pine wood, coal, or peat — used since antiquity for waterproofing ship hulls, weatherproofing roofs, and treating skin conditions. The color refers to fresh pine tar: a deep, slightly muted black with the glossy finish of a viscous oil. Warmer than pitch, deeper than soot, with the maritime weight of a substance whose smell defined every harbor before petroleum.

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.

#15031a
Original
#00091b
Protanopia
#040b19
Deuteranopia
#15060c
Tritanopia
#080808
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
19.81:1
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
1.06:1

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
##15031A
Display P3
Display P3
color(display-p3 0.0730 0.0146 0.0972)
Inside sRGBOKLCH chroma 0.056

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.

Related Colors

Canvas