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Fortified Cremisi

#c33437
Notes

Fortified Cremisi (#C33437) 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 (359°, 58%, 48%) 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
#c33437
RGB
rgb(195, 52, 55)
HSL
hsl(359, 58%, 48%)
HWB
hwb(359 20% 24%)
OKLCH
oklch(54.5% 0.180 24.5)
P3
color(display-p3 0.7049 0.2511 0.2390)
HSV
hsv(359, 73%, 76%)
LAB
lab(44.71% 56.19 32.61)
LCH
lch(44.71% 64.97 30.13)
CMYK
cmyk(0%, 73%, 72%, 24%)

Etymology

Fortified
adjective

Latin fortificāre, to make strong — past-participle of fortify. As a color modifier, fortified implies a saturated-and-strengthened-and-defensive quality, the deep-rich color of Vauban-style military-fortification stone-and-earth rampart-and-bastion architecture. Sits at the bold-and-fortified end of the grid, parallel to bastioned and armored.

Cremisi
noun

Italian for crimson — borrowed from the same Arabic qirmiz via medieval Venetian trade, and used in the deep red velvets of Florentine Renaissance court dress. The color refers to a cremisi-dyed Lucchese velvet: a saturated, slightly cool deep red with the velvet's signature optical depth. The Italian cousin of carmesí.

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.

#c33437
Original
#5e5636
Protanopia
#817532
Deuteranopia
#d60037
Tritanopia
#535353
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
5.43:1
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
3.87:1

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
##C33437
Display P3
Display P3
color(display-p3 0.7049 0.2511 0.2390)
P3 has subtle headroomOKLCH chroma 0.180

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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