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Lulled Cinnamon

#644d3d
Notes

Lulled Cinnamon (#644D3D) is a deep orange with an earthy character. It leans grounded and natural, the kind of color that plays well with wood, clay, linen, and warm neutrals. Its HSL profile (25°, 24%, 32%) places it in the muted band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#644d3d
RGB
rgb(100, 77, 61)
HSL
hsl(25, 24%, 32%)
HWB
hwb(25 24% 61%)
OKLCH
oklch(44.0% 0.040 56.3)
P3
color(display-p3 0.3780 0.3055 0.2479)
HSV
hsv(25, 39%, 39%)
LAB
lab(34.71% 7.20 13.21)
LCH
lch(34.71% 15.04 61.39)
CMYK
cmyk(0%, 23%, 39%, 61%)

Etymology

Lulled
adjective

Imitative-onomatopoeic origin — past-participle of lull, evoking the sound of a soft hush. As a color modifier, lulled implies a hushed-and-quieted-and-soothed quality where the hue carries the visual register of softly-muted-and-quieted ambient color. Sits at the hushed-and-soft end of the grid, parallel to muffled and softened in usage.

Cinnamon
noun

The inner bark of Cinnamomum verum, the Sri Lankan true cinnamon — harvested in thin scrolls and dried into the curled quills familiar from spice shelves. The color is freshly ground cinnamon powder: a warm, slightly dusty red-brown that sits between rust and cocoa. Warmer than walnut, drier than caramel, with the resinous warmth of a spice that has driven trade routes since the Roman Empire.

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.

#644d3d
Original
#544f3c
Protanopia
#59543d
Deuteranopia
#6b4949
Tritanopia
#515151
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
7.86:1
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
2.67:1

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
##644D3D
Display P3
Display P3
color(display-p3 0.3780 0.3055 0.2479)
Inside sRGBOKLCH chroma 0.040

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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