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Victorious Sundown

#633ab5
Notes

Victorious Sundown (#633AB5) 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 (260°, 51%, 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#633ab5
RGB
rgb(99, 58, 181)
HSL
hsl(260, 51%, 47%)
HWB
hwb(260 23% 29%)
OKLCH
oklch(46.8% 0.184 293.3)
P3
color(display-p3 0.3658 0.2349 0.6843)
HSV
hsv(260, 68%, 71%)
LAB
lab(36.01% 45.99 -58.92)
LCH
lch(36.01% 74.74 307.98)
CMYK
cmyk(45%, 68%, 0%, 29%)

Etymology

Victorious
adjective

Latin victōriōsus, of victory — derived from victor (winner). As a color modifier, victorious implies a saturated-and-celebratory-and-conquering quality, the deep-rich color of Roman-Imperial victory-procession purpura-dyed paludamentum cloak. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and conquering.

Sundown
noun

English compound for the moment of sunset's last upper-limb contact with the horizon — the brief window when the eastern anti-solar sky is at its deepest Belt of Venus indigo before nightfall. Sundown color refers to a clear-sky eastern anti-solar horizon at sundown: a saturated, slightly cool deep blue-violet with the optical complexity of Rayleigh-scattered Belt of Venus light against the rising Earth shadow.

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.

#633ab5
Original
#0056b9
Protanopia
#0052b3
Deuteranopia
#4b5873
Tritanopia
#4c4c4c
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
7.49:1
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
2.80:1

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
##633AB5
Display P3
Display P3
color(display-p3 0.3658 0.2349 0.6843)
P3 has visible headroomOKLCH chroma 0.184

This color is chromatic enough that authoring it as P3 native (instead of clamping to sRGB) gives a perceptibly more saturated render on wide-gamut displays — modern Macs, iPhones, iPads, and most recent OLED laptops.

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