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Imperial Flock Crimson

#dd2838
Notes

Imperial Flock Crimson (#DD2838) 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 (355°, 73%, 51%) 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
#dd2838
RGB
rgb(221, 40, 56)
HSL
hsl(355, 73%, 51%)
HWB
hwb(355 16% 13%)
OKLCH
oklch(58.2% 0.213 23.3)
HSV
hsv(355, 82%, 87%)
LAB
lab(48.49% 67.30 37.66)
LCH
lch(48.49% 77.12 29.23)
CMYK
cmyk(0%, 82%, 75%, 13%)

Etymology

Imperial
adjective

From the Latin imperialis, of the empire — applied to color since the medieval period for the hues reserved for sovereigns and empires: imperial purple of Tyrian dye, imperial yellow of Ming-dynasty porcelain. As a modifier, imperial implies saturation combined with the institutional weight of a color owned by a court. Sits in the bold-and-deep corner, alongside royal.

Flock
modifier

Latin floccus, tuft-of-wool. As a color modifier, flock implies a tuft-of-wool-and-flocked-paper quality, the visual register of Victorian-flocked-wallpaper-and-Tudor-flocked-velvet hand-applied-and-tufted flocked-wallpaper-and-velvet flock-and-tuft surfaces under Victorian-flocked-wallpaper-and-Tudor-flocked-velvet interior-decoration light. Sits at the modifier-and-texture end of the grid, parallel to fluff and tufted 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.

#dd2838
Original
#635a37
Protanopia
#8f8131
Deuteranopia
#f30030
Tritanopia
#505050
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
4.74:1
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
4.44:1

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