colors
Back to gallery

Weighty Night Violet

#a647e7
Notes

Weighty Night Violet (#A647E7) is a true indigo with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (276°, 77%, 59%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. For a confident two-color system, pair it with its complementary lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a647e7
RGB
rgb(166, 71, 231)
HSL
hsl(276, 77%, 59%)
HWB
hwb(276 28% 9%)
OKLCH
oklch(59.7% 0.233 308.0)
P3
color(display-p3 0.6053 0.3007 0.8749)
HSV
hsv(276, 69%, 91%)
LAB
lab(49.96% 64.98 -64.79)
LCH
lch(49.96% 91.76 315.08)
CMYK
cmyk(28%, 69%, 0%, 9%)

Etymology

Weighty
adjective

Old English wegan, to weigh — adjectival suffix -y. As a color modifier, weighty implies a saturated-and-heavy-and-imposing quality where the hue carries visual mass and gravitational presence. Sits at the bold-and-weighty end of the grid, parallel to substantial and hefty in usage.

Night
modifier

Old English niht, darkness-and-sleep. As a color modifier, night implies a moonlit-or-star-lit-dark quality, the visual register of clear-sky moonlit-and-star-lit atmospheric Rayleigh-scattered low-light surfaces against deep blue-black night-sky horizon. Sits at the modifier-and-time end of the grid, parallel to eve and yore in usage.

Violet
noun

Viola odorata, the European sweet violet — small, fragrant, and the original meaning of the color name in English (the Violet of the rainbow). The color refers to a fresh sweet violet blossom in late winter: a saturated, slightly red-shifted deep blue-purple with the matte finish of small five-petaled flower. Cooler than amethyst, warmer than indigo, with the perfumed weight of a flower used in Roman garlands and Victorian eau de toilette.

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.

#a647e7
Original
#0073ec
Protanopia
#1d78e4
Deuteranopia
#9c6b92
Tritanopia
#676767
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).
AA Largeon White
4.49:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
4.68:1

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
##A647E7
Display P3
Display P3
color(display-p3 0.6053 0.3007 0.8749)
P3 has visible headroomOKLCH chroma 0.233

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

Related Colors

Canvas