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Decisive Kyomurasaki

#b743a3
Notes

Decisive Kyomurasaki (#B743A3) 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 (310°, 46%, 49%) 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
#b743a3
RGB
rgb(183, 67, 163)
HSL
hsl(310, 46%, 49%)
HWB
hwb(310 26% 28%)
OKLCH
oklch(57.5% 0.185 335.2)
HSV
hsv(310, 63%, 72%)
LAB
lab(47.92% 57.77 -28.59)
LCH
lch(47.92% 64.46 333.67)
CMYK
cmyk(0%, 63%, 11%, 28%)

Etymology

Decisive
adjective

From the Latin decidere, to cut off — used as a modifier for colors that read as firm and final. Decisive black, decisive red: the implication is that the color has settled on its position and won't drift. Sits in the bold-bucket corner alongside resolute, with a slightly sharper edge.

Kyomurasaki
noun

Kyoto purple (京紫) — the warmer red-tinted purple of the Heian-period imperial court at Kyoto, distinguished from the cooler Edo-period edomurasaki. Kyomurasaki color refers to a Kyoto-court ceremonial kariginu hunting robe: a saturated, slightly cool deep violet with the silk luster of multi-bath gromwell-root-and-akane (madder) dye on woven silk crepe. Slightly warmer than Edomurasaki.

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.

#b743a3
Original
#4367a6
Protanopia
#6878a0
Deuteranopia
#c04a6d
Tritanopia
#636363
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
4.83:1
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
4.35:1

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