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Praetorian Slush Crimson

#ab2323
Notes

Praetorian Slush Crimson (#AB2323) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (0°, 66%, 40%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ab2323
RGB
rgb(171, 35, 35)
HSL
hsl(0, 66%, 40%)
HWB
hwb(0 14% 33%)
OKLCH
oklch(48.5% 0.172 26.5)
P3
color(display-p3 0.6163 0.1890 0.1660)
HSV
hsv(0, 80%, 67%)
LAB
lab(37.81% 53.58 35.30)
LCH
lch(37.81% 64.16 33.38)
CMYK
cmyk(0%, 80%, 80%, 33%)

Etymology

Praetorian
adjective

Latin praetōriānus, of the praetor — adjectival suffix, referring to the Roman-Imperial elite guard-cohorts. As a color modifier, praetorian implies a saturated-and-elite-and-imperial-guard quality, the deep-rich color of Roman-Praetorian-Guard elite-imperial-bodyguard scarlet-tunic-and-bronze-armor military-formation. Sits at the bold-and-formal end of the grid, parallel to spartan and imperial.

Slush
modifier

Imitative origin, half-melted-snow. As a color modifier, slush implies a half-melted-snow-and-grey-pavement quality, the visual register of city-pavement-and-thaw-slush hand-half-melted-snow-and-grey-pavement city-pavement-and-thaw-slush-and-Boston-Brooklyn-thaw slush-and-half-melted-snow-and-grey-pavement surfaces under city-pavement-and-thaw-slush-and-Boston-Brooklyn-thaw Boston-and-Brooklyn-and-Edinburgh-thaw urban-thaw-light. Sits at the modifier-and-weather end of the grid, parallel to thaw and flurry in usage.

Crimson
noun

From the Old Spanish cremesin, itself from the Arabic qirmiz — the kermes scale insect, dried and ground into a brilliant carmine dye prized in the medieval Mediterranean. For centuries the most expensive red on a draper's shelf, reserved for cardinals, kings, and the cloth that gave English the word crimson. Cooler than scarlet, deeper than rose; the color of pomegranate seeds and a serious occasion.

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.

#ab2323
Original
#4e4621
Protanopia
#6f641d
Deuteranopia
#bd0025
Tritanopia
#404040
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
7.01:1
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
3.00:1

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
##AB2323
Display P3
Display P3
color(display-p3 0.6163 0.1890 0.1660)
P3 has subtle headroomOKLCH chroma 0.172

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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