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Sinewy Achimenes

#b6388f
Notes

Sinewy Achimenes (#B6388F) 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 (319°, 53%, 47%) 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
#b6388f
RGB
rgb(182, 56, 143)
HSL
hsl(319, 53%, 47%)
HWB
hwb(319 22% 29%)
OKLCH
oklch(55.3% 0.185 342.6)
HSV
hsv(319, 69%, 71%)
LAB
lab(45.30% 58.94 -20.69)
LCH
lch(45.30% 62.46 340.65)
CMYK
cmyk(0%, 69%, 21%, 29%)

Etymology

Sinewy
adjective

Old English sinu, sinew — adjectival suffix -y. As a color modifier, sinewy implies a saturated-and-muscular-and-firm quality where the hue carries the lean-and-strong visual presence of a Roman-statue athletic figure. Sits at the bold-and-firm end of the grid, parallel to stalwart and rugged in usage.

Achimenes
noun

Mexican magic flower (Achimenes longiflora) — a Gesneriaceae tuberous-rhizome perennial native to Central American cloud-forest understory, with deep-magenta tubular flowers that bloom in summer and dormant rhizomes in winter. Achimenes color refers to a fully opened Achimenes longiflora tubular flower: a saturated, slightly cool deep magenta with the velvet finish of fresh fused-petaled tubular corolla. Greek achimenes means winter-tender.

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.

#b6388f
Original
#435e91
Protanopia
#6a738c
Deuteranopia
#c1395e
Tritanopia
#595959
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
5.31:1
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
3.95:1

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