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Sovereign Jacaranda

#633fa8
Notes

Sovereign Jacaranda (#633FA8) 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 (261°, 45%, 45%) 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
#633fa8
RGB
rgb(99, 63, 168)
HSL
hsl(261, 45%, 45%)
HWB
hwb(261 25% 34%)
OKLCH
oklch(46.6% 0.161 295.2)
HSV
hsv(261, 63%, 66%)
LAB
lab(36.05% 39.63 -51.12)
LCH
lch(36.05% 64.69 307.78)
CMYK
cmyk(41%, 63%, 0%, 34%)

Etymology

Sovereign
adjective

Old French soverain, supreme — derived from Latin super (above). As a color modifier, sovereign implies a saturated-and-royal-supremacy quality where the hue carries imperial-ruling-class register. Sits at the bold-and-imperial end of the grid, parallel to regal and imperial in tone.

Jacaranda
noun

South American Jacaranda mimosifolia flowering tree — native to the Brazilian cerrado but cultivated worldwide as a street tree, dropping its blue-violet petal carpets through Pretoria, Buenos Aires, and Mexico City in late spring. Jacaranda color refers to a Jacaranda tree at peak bloom: a saturated, slightly cool deep blue-violet with the velvet finish of fresh tubular jacaranda petals in dense pendulous racemes.

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.

#633fa8
Original
#0056ab
Protanopia
#0053a6
Deuteranopia
#51576d
Tritanopia
#4e4e4e
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
7.48:1
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
2.81:1

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