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Robust Amor Brick

#aa402b
Notes

Robust Amor Brick (#AA402B) is a true red with a warm character. It leans warm, pulling light toward red, orange, and yellow. Naturally inviting, it suits editorial and hospitality contexts. Its HSL profile (10°, 60%, 42%) 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
#aa402b
RGB
rgb(170, 64, 43)
HSL
hsl(10, 60%, 42%)
HWB
hwb(10 17% 33%)
OKLCH
oklch(51.5% 0.144 33.1)
P3
color(display-p3 0.6178 0.2782 0.1983)
HSV
hsv(10, 75%, 67%)
LAB
lab(41.83% 42.31 35.02)
LCH
lch(41.83% 54.92 39.61)
CMYK
cmyk(0%, 62%, 75%, 33%)

Etymology

Robust
adjective

From the Latin robustus, of oak — implying strength combined with substance. As a color modifier, robust describes saturation combined with body: a robust burgundy, a robust olive. Sits in the bold-and-warm corner alongside strong and solid, with the slightly textural implication of a color that has substance behind the pigment.

Amor
modifier

Latin amor, love. As a color modifier, amor implies a Latin-love-and-amor-vincit-omnia quality, the visual register of Vergilian-amor-and-Catullus-amor hand-Latin-love-and-amor-vincit-omnia Vergilian-amor-and-Catullus-amor-and-Ovid-Ars-Amatoria amor-and-Latin-love surfaces under Vergilian-amor-and-Catullus-amor-and-Ovid-Ars-Amatoria Augustan-Rome-and-Renaissance-Italy Roman-love-light. Sits at the modifier-and-Latin end of the grid, parallel to vita and via in usage.

Brick
noun

Fired clay, mineral red. The color refers to common building brick — iron-rich earthenware kilned to the specific dusky red-orange of a Victorian terrace, a Roman aqueduct, an adobe wall in New Mexico. Less saturated than ruby, warmer than burgundy, with a chalky cast that reads as architectural rather than decorative.

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.

#aa402b
Original
#5d5428
Protanopia
#786b28
Deuteranopia
#bb263c
Tritanopia
#555555
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).
AAon White
6.04:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.48:1

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
##AA402B
Display P3
Display P3
color(display-p3 0.6178 0.2782 0.1983)
P3 has subtle headroomOKLCH chroma 0.144

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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