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Weighty Crenel Crimson

#ac061e
Notes

Weighty Crenel Crimson (#AC061E) is a true red 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 (351°, 93%, 35%) places it in the highly saturated band at a mid 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ac061e
RGB
rgb(172, 6, 30)
HSL
hsl(351, 93%, 35%)
HWB
hwb(351 2% 33%)
OKLCH
oklch(47.1% 0.188 24.3)
HSV
hsv(351, 97%, 67%)
LAB
lab(35.98% 59.39 36.39)
LCH
lch(35.98% 69.65 31.49)
CMYK
cmyk(0%, 97%, 83%, 33%)

Etymology

Weighty
adjective

Old English wegan, to weigh — adjectival suffix -y. As a color modifier, weighty implies a saturated-and-heavy-and-imposing quality where the hue carries visual mass and gravitational presence. Sits at the bold-and-weighty end of the grid, parallel to substantial and hefty in usage.

Crenel
modifier

Old French crenel, battlement-notch. As a color modifier, crenel implies a castle-battlement-notch-between-merlons quality, the visual register of medieval-castle-battlement hand-cut crenel-and-merlon-castle-battlement notch-and-tooth-pattern fortification-architecture surfaces under medieval-castle-battlement defensive light. Sits at the modifier-and-architecture end of the grid, parallel to merlon and keep 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.

#ac061e
Original
#463f1d
Protanopia
#6c6016
Deuteranopia
#be0014
Tritanopia
#2b2b2b
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
7.50:1
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
2.80:1

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