colors
Back to gallery

Gladiatorial Gleam Crimson

#aa1a1e
Notes

Gladiatorial Gleam Crimson (#AA1A1E) 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 (358°, 73%, 38%) 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
#aa1a1e
RGB
rgb(170, 26, 30)
HSL
hsl(358, 73%, 38%)
HWB
hwb(358 10% 33%)
OKLCH
oklch(47.6% 0.178 26.3)
HSV
hsv(358, 85%, 67%)
LAB
lab(36.71% 55.53 36.95)
LCH
lch(36.71% 66.70 33.64)
CMYK
cmyk(0%, 85%, 82%, 33%)

Etymology

Gladiatorial
adjective

Latin gladiātōrius, of the gladiator — adjectival suffix, derived from gladius (short-sword). As a color modifier, gladiatorial implies a saturated-and-combative-and-bloody quality, the deep-rich color of Roman-Colosseum gladiator-arena bloody-tunic-and-shield combat-attire. Sits at the bold-and-formal end of the grid, parallel to spartan and valiant.

Gleam
modifier

Old English glǣm, brightness-or-shine. As a color modifier, gleam implies a low-and-glancing-and-bright quality, the visual register of polished-armor-and-river-water-gleam hand-polished-and-glancing-and-bright polished-armor-and-river-water-and-blade-edge gleamed-and-polished-and-glancing surfaces under polished-armor-and-river-water blade-edge-and-helm-and-shield medieval-tournament-light. Sits at the modifier-and-mood end of the grid, parallel to glint and sheen 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.

#aa1a1e
Original
#4b431c
Protanopia
#6d6116
Deuteranopia
#bc001e
Tritanopia
#393939
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
7.30:1
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
2.88:1

Related Colors

Canvas