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Stoic Pyroclast

#2b303d
Notes

Stoic Pyroclast (#2B303D) is a deep azure 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 (223°, 17%, 20%) places it in the muted 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2b303d
RGB
rgb(43, 48, 61)
HSL
hsl(223, 17%, 20%)
HWB
hwb(223 17% 76%)
OKLCH
oklch(31.0% 0.024 268.5)
P3
color(display-p3 0.1723 0.1876 0.2349)
HSV
hsv(223, 30%, 24%)
LAB
lab(19.90% 1.41 -8.92)
LCH
lch(19.90% 9.03 278.99)
CMYK
cmyk(30%, 21%, 0%, 76%)

Etymology

Stoic
adjective

Greek stōikós, of-the-Stoa — adjectival suffix -ic, referring to the Stoic-Philosophy of Zeno-of-Citium. As a color modifier, stoic implies a neutral-and-restrained-and-unaffected quality where the hue carries the visual register of Stoic-philosophical unaffected-and-stripped-down color-decision. Sits at the neutral-and-restrained end of the grid, parallel to stoical and reserved 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

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.

#2b303d
Original
#2c313e
Protanopia
#2b2f3d
Deuteranopia
#263334
Tritanopia
#303030
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
13.18:1
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
1.59:1

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
##2B303D
Display P3
Display P3
color(display-p3 0.1723 0.1876 0.2349)
Inside sRGBOKLCH chroma 0.024

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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