colors
Back to gallery

Chivalrous Petrea

#b452a9
Notes

Chivalrous Petrea (#B452A9) is a true violet with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (307°, 40%, 51%) 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
#b452a9
RGB
rgb(180, 82, 169)
HSL
hsl(307, 40%, 51%)
HWB
hwb(307 32% 29%)
OKLCH
oklch(59.2% 0.166 331.9)
HSV
hsv(307, 54%, 71%)
LAB
lab(50.22% 51.18 -28.58)
LCH
lch(50.22% 58.61 330.82)
CMYK
cmyk(0%, 54%, 6%, 29%)

Etymology

Chivalrous
adjective

Old French chevaleros, knightly — adjectival suffix -ous, derived from cheval (horse). As a color modifier, chivalrous implies a saturated-and-knightly-and-gallant quality, the deep-rich color of medieval-Romance chanson-de-geste hero-and-troubadour song tradition. Sits at the bold-and-chivalrous end of the grid, parallel to gallant and knightly.

Petrea
noun

South American purple wreath vine (Petrea volubilis) — a Caribbean and Central-American twining woody vine cultivated worldwide for its long pendulous racemes of deep-violet sandpaper-textured flowers. Petrea color refers to a fully bloomed Petrea volubilis pendulous raceme: a saturated, slightly cool deep violet with the matte finish of fresh five-pointed star-shaped sandpaper-textured corollas. Named for Robert James Petre, an English botanical patron of the 18th century.

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.

#b452a9
Original
#4e6fac
Protanopia
#6c7da6
Deuteranopia
#bb5a76
Tritanopia
#6d6d6d
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).
AA Largeon White
4.45:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
4.72:1

Related Colors

Canvas