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Useful Toga

#6d3570
Notes

Useful Toga (#6D3570) is a deep violet 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 (297°, 36%, 32%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#6d3570
RGB
rgb(109, 53, 112)
HSL
hsl(297, 36%, 32%)
HWB
hwb(297 21% 56%)
OKLCH
oklch(42.6% 0.114 325.4)
P3
color(display-p3 0.3989 0.2195 0.4272)
HSV
hsv(297, 53%, 44%)
LAB
lab(31.73% 34.20 -23.50)
LCH
lch(31.73% 41.49 325.50)
CMYK
cmyk(3%, 53%, 0%, 56%)

Etymology

Useful
adjective

Latin ūsus, use — adjectival suffix -ful. As a color modifier, useful implies a clear-and-purpose-serving quality where the hue carries the visual register of helpful-and-supporting design-element. Sits at the crisp-and-functional end of the grid, parallel to practical and serviceable in usage.

Toga
noun

The Roman ceremonial-citizen mantle — particularly the toga picta (painted toga) worn by triumphant generals and emperors, dyed entirely in Tyrian purple with gold-thread embroidered figures. Toga color refers to a Roman-imperial toga picta on a triumphal arch spolia relief: a saturated, slightly cool deep violet with the matte finish of multi-bath Tyrian shellfish-dye on multi-rolled woolen toga cloth. Distinct from the white toga virilis.

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.

#6d3570
Original
#2e4672
Protanopia
#3f4d6e
Deuteranopia
#6f3c4d
Tritanopia
#454545
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
8.77:1
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
2.39:1

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
##6D3570
Display P3
Display P3
color(display-p3 0.3989 0.2195 0.4272)
P3 has subtle headroomOKLCH chroma 0.114

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.

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