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Spartan Heraldry

#5f37a1
Notes

Spartan Heraldry (#5F37A1) 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 (263°, 49%, 42%) 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
#5f37a1
RGB
rgb(95, 55, 161)
HSL
hsl(263, 49%, 42%)
HWB
hwb(263 22% 37%)
OKLCH
oklch(44.4% 0.163 296.5)
HSV
hsv(263, 66%, 63%)
LAB
lab(33.43% 41.32 -51.18)
LCH
lch(33.43% 65.78 308.91)
CMYK
cmyk(41%, 66%, 0%, 37%)

Etymology

Spartan
adjective

Greek Spartiátēs, of Sparta — adjectival suffix referring to the Lacedaemonian warrior city. As a color modifier, spartan implies a saturated-and-disciplined-and-formal quality, the deep-rich color of Spartan-hoplite military-class crimson-and-bronze armor-and-cloak. Sits at the bold-and-formal end of the grid, parallel to austere and stern in tone.

Heraldry
noun

Old French heraudie, herald-craft — the medieval European armorial-bearings system, where the heraldic tincture purpure (one of the rare stains) is rendered as a deep blue-violet on shields-and-banners since the 13th century. Heraldry color refers to a 14th-century French armorial-roll purpure tincture: a saturated, slightly cool deep blue-violet with the matte finish of vermilion-and-azurite-mixed armorial pigment.

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.

#5f37a1
Original
#004fa4
Protanopia
#004d9f
Deuteranopia
#4e4f67
Tritanopia
#474747
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
8.24:1
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
2.55:1

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