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Authoritative Akamurasaki

#a33489
Notes

Authoritative Akamurasaki (#A33489) is a true magenta 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 (314°, 52%, 42%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a33489
RGB
rgb(163, 52, 137)
HSL
hsl(314, 52%, 42%)
HWB
hwb(314 20% 36%)
OKLCH
oklch(51.7% 0.173 338.5)
HSV
hsv(314, 68%, 64%)
LAB
lab(41.30% 54.57 -23.50)
LCH
lch(41.30% 59.42 336.70)
CMYK
cmyk(0%, 68%, 16%, 36%)

Etymology

Authoritative
adjective

Latin auctōritāt-, authority — adjectival suffix -ive. As a color modifier, authoritative implies a saturated-and-formal-imperative quality where the hue carries decisional weight and institutional credibility. Sits at the bold-and-authoritative end of the grid, parallel to commanding and magisterial in usage.

Akamurasaki
noun

Japanese 赤紫, red-purple — the modern Japanese color name for the warm magenta-purple band that sits between aka (red) and murasaki (purple). Akamurasaki color refers to a Showa-period silk furisode obi: a saturated, slightly cool deep magenta with the silk luster of multi-bath beni-and-shikon overdye on patterned silk crepe. Slightly cooler than akane-iro.

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

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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.

#a33489
Original
#39568b
Protanopia
#5c6886
Deuteranopia
#ac385a
Tritanopia
#525252
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
6.16:1
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
3.41:1

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