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Chivalrous Vestment

#573997
Notes

Chivalrous Vestment (#573997) is a true indigo 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 (259°, 45%, 41%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#573997
RGB
rgb(87, 57, 151)
HSL
hsl(259, 45%, 41%)
HWB
hwb(259 22% 41%)
OKLCH
oklch(43.1% 0.147 294.1)
P3
color(display-p3 0.3239 0.2286 0.5716)
HSV
hsv(259, 62%, 59%)
LAB
lab(32.23% 35.62 -47.11)
LCH
lch(32.23% 59.06 307.10)
CMYK
cmyk(42%, 62%, 0%, 41%)

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.

Vestment
noun

Latin vestīmentum, garment — adopted into English as the technical term for ecclesiastical liturgical robes, particularly the deep-violet chasuble worn during Advent and Lent in the Roman Catholic and Anglican rites. Vestment color refers to a Roman-Catholic Lenten purple chasuble: a saturated, slightly cool deep blue-violet with the matte finish of vat-dyed liturgical wool-and-silk damask.

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.

#573997
Original
#004d9a
Protanopia
#004a95
Deuteranopia
#464e62
Tritanopia
#464646
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).
AAAon White
8.62:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.44:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##573997
Display P3
Display P3
color(display-p3 0.3239 0.2286 0.5716)
P3 has subtle headroomOKLCH chroma 0.147

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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