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Knightly Heather

#ac03a2
Notes

Knightly Heather (#AC03A2) is a deep violet with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (304°, 97%, 34%) places it in the highly saturated band at a dark 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#ac03a2
RGB
rgb(172, 3, 162)
HSL
hsl(304, 97%, 34%)
HWB
hwb(304 1% 33%)
OKLCH
oklch(51.7% 0.232 331.5)
P3
color(display-p3 0.6176 0.1262 0.6148)
HSV
hsv(304, 98%, 67%)
LAB
lab(40.32% 71.35 -40.08)
LCH
lch(40.32% 81.84 330.67)
CMYK
cmyk(0%, 98%, 6%, 33%)

Etymology

Knightly
adjective

Old English cniht, young man / knight — adjectival suffix -ly. As a color modifier, knightly implies a saturated-and-chivalrous-and-medieval quality, the deep-rich color of medieval-English-and-French knight-and-squire armorial-bearings-and-livery tradition. Sits at the bold-and-chivalrous end of the grid, parallel to gallant and cavalier.

Heather
noun

Calluna vulgaris, the dominant ground cover of Scottish, Irish, and northern English moorland — the small woody shrub whose pink-purple flower spikes color hill country in late summer. The color refers to mature heather in August bloom: a soft, slightly muted pale purple-pink with the matte finish of small clustered flowers covering an entire moor at scale. Lighter than mauve, warmer than lavender, with the moorland weight of a plant whose name names a landscape.

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.

#ac03a2
Original
#0052a5
Protanopia
#4b669f
Deuteranopia
#b3295e
Tritanopia
#323232
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
6.39:1
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
3.29:1

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
##AC03A2
Display P3
Display P3
color(display-p3 0.6176 0.1262 0.6148)
P3 has visible headroomOKLCH chroma 0.232

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

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