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Triumphant Joy Crimson

#ac2421
Notes

Triumphant Joy Crimson (#AC2421) 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 (1°, 68%, 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
#ac2421
RGB
rgb(172, 36, 33)
HSL
hsl(1, 68%, 40%)
HWB
hwb(1 13% 33%)
OKLCH
oklch(48.7% 0.173 27.4)
P3
color(display-p3 0.6200 0.1923 0.1608)
HSV
hsv(1, 81%, 67%)
LAB
lab(38.10% 53.51 36.79)
LCH
lch(38.10% 64.94 34.51)
CMYK
cmyk(0%, 79%, 81%, 33%)

Etymology

Triumphant
adjective

Latin triumphāns, celebrating victory — present-participle of triumphāre. As a color modifier, triumphant implies a saturated-and-celebratory-and-victorious quality, the deep-rich color of Roman-Imperial-period triumphal-arch spolia relief and Arch-of-Titus victory imagery. Sits at the bold-and-celebratory end of the grid, parallel to victorious and conquering.

Joy
modifier

Latin gaudia, delights. As a color modifier, joy implies a bright-and-radiant-and-uplifted quality, the visual register of Provençal-troubadour-and-Florentine-Carnival-joy hand-bright-and-radiant-and-uplifted Provençal-troubadour-and-Florentine-Carnival-and-Renaissance-festa joyful-and-bright-and-radiant-and-uplifted surfaces under Provençal-troubadour-and-Florentine-Carnival-and-Renaissance-festa banner-and-procession-and-piazza festival-day-light. Sits at the modifier-and-mood end of the grid, parallel to bliss and glee 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.

#ac2421
Original
#4f471f
Protanopia
#70641a
Deuteranopia
#be0025
Tritanopia
#414141
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
6.93:1
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
3.03:1

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
##AC2421
Display P3
Display P3
color(display-p3 0.6200 0.1923 0.1608)
P3 has subtle headroomOKLCH chroma 0.173

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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