colors
Back to gallery

Heartening Murasakiawa

#664696
Notes

Heartening Murasakiawa (#664696) is a true indigo 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 (264°, 36%, 43%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#664696
RGB
rgb(102, 70, 150)
HSL
hsl(264, 36%, 43%)
HWB
hwb(264 27% 41%)
OKLCH
oklch(46.8% 0.127 300.0)
P3
color(display-p3 0.3813 0.2798 0.5698)
HSV
hsv(264, 53%, 59%)
LAB
lab(36.76% 31.36 -39.14)
LCH
lch(36.76% 50.15 308.70)
CMYK
cmyk(32%, 53%, 0%, 41%)

Etymology

Heartening
adjective

Old English heorte (heart) — present-participle of hearten. As a color modifier, heartening implies a clear-and-uplifting-and-encouraging quality where the hue carries the visual register of cheerful-encouraging color-tone. Sits at the crisp-and-cheerful end of the grid, parallel to welcoming and cheerful in usage.

Murasakiawa
noun

Japanese pale-purple shade (薄紫, usu-murasaki in modern usage) — historically a kasane layer color combining a thin gromwell-dyed silk over a pale silk substrate. Murasakiawa color refers to a Heian-period second-rank kasane sleeve layer: a saturated, slightly cool deep violet with the silk luster of single-bath gromwell-root dye on layered silk crepe. Slightly cooler than full murasaki.

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.

#664696
Original
#295699
Protanopia
#325694
Deuteranopia
#5c5567
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).
AAAon White
7.29:1
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
2.88:1

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
##664696
Display P3
Display P3
color(display-p3 0.3813 0.2798 0.5698)
P3 has subtle headroomOKLCH chroma 0.127

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.

Related Colors

Canvas