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Punchy Tobi

#b42571
Notes

Punchy Tobi (#B42571) is a true magenta with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (328°, 66%, 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 teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#b42571
RGB
rgb(180, 37, 113)
HSL
hsl(328, 66%, 43%)
HWB
hwb(328 15% 29%)
OKLCH
oklch(52.1% 0.189 353.8)
HSV
hsv(328, 79%, 71%)
LAB
lab(41.57% 61.02 -8.01)
LCH
lch(41.57% 61.54 352.52)
CMYK
cmyk(0%, 79%, 37%, 29%)

Etymology

Punchy
adjective

A modern adjectival form of punch, to strike sharply. Used as a color word since the early twentieth century for hues that read as highly contrasting and visually loud. Punchy red, punchy yellow: the implication is full saturation combined with optical impact. Sits across the bold and bright buckets, near vivid and striking.

Tobi
noun

Named for the tobi — the black kite (Milvus migrans) — the slightly muted red-brown of the bird's plumage and of the tobi-iro dye traditionally used in working-class Edo dress. The color refers to a freshly-dyed tobi-iro cotton: a soft, slightly muted red-brown with the matte finish of plant-and-iron mordant. Drier than rust, warmer than maroon.

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.

#b42571
Original
#425173
Protanopia
#6b6b6e
Deuteranopia
#c21148
Tritanopia
#494949
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
6.10:1
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
3.44:1

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