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Inky Trumpetvine

#422b21
Notes

Inky Trumpetvine (#422B21) 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 (18°, 33%, 19%) places it in the balanced 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#422b21
RGB
rgb(66, 43, 33)
HSL
hsl(18, 33%, 19%)
HWB
hwb(18 13% 74%)
OKLCH
oklch(31.4% 0.039 44.4)
P3
color(display-p3 0.2455 0.1725 0.1359)
HSV
hsv(18, 50%, 26%)
LAB
lab(20.03% 9.22 10.81)
LCH
lch(20.03% 14.20 49.55)
CMYK
cmyk(0%, 35%, 50%, 74%)

Etymology

Inky
adjective

An adjectival form of ink, used as a color modifier since the eighteenth century to suggest the deep saturated black of fresh writing ink seen against white paper. Less about literal blackness than about the optical density of a fluid that absorbs light through its full thickness. Used at the dark end of any saturated hue: an inky blue is a deep saturated blue with the optical depth of pigment in solution.

Trumpetvine
noun

Campsis radicans, the North American climbing vine whose bright orange-red trumpet flowers attract ruby-throated hummingbirds. The color refers to a fresh trumpetvine bloom in midsummer: a saturated, slightly red orange with the satin finish of long tubular flower. Brighter than nasturtium, warmer than tangerine.

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.

#422b21
Original
#312d20
Protanopia
#363221
Deuteranopia
#472728
Tritanopia
#2f2f2f
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
13.13:1
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
1.60:1

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
##422B21
Display P3
Display P3
color(display-p3 0.2455 0.1725 0.1359)
Inside sRGBOKLCH chroma 0.039

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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