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Smoldering Khiva

#6c51aa
Notes

Smoldering Khiva (#6C51AA) 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 (258°, 35%, 49%) 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
#6c51aa
RGB
rgb(108, 81, 170)
HSL
hsl(258, 35%, 49%)
HWB
hwb(258 32% 33%)
OKLCH
oklch(50.6% 0.137 295.0)
P3
color(display-p3 0.4072 0.3219 0.6457)
HSV
hsv(258, 52%, 67%)
LAB
lab(41.18% 31.80 -44.03)
LCH
lch(41.18% 54.31 305.84)
CMYK
cmyk(36%, 52%, 0%, 33%)

Etymology

Smoldering
adjective

The progressive participle of smolder, to burn slowly without flame. Used as a color word since the late nineteenth century for the deep reds and oranges of barely-flame coal — the warm saturated darks where the heat is internal rather than emitted. Sits in the bold-and-warm corner, slightly less luminous than burning and slightly less calm than rich.

Khiva
noun

Ancient Khanate of Central Asia, on the Silk Road in modern Uzbekistan — its old-walled inner-city Itchan Kala remains a living complex of indigo-and-turquoise-tiled medreseh and minaret façades. Khiva color refers to the deep-blue tilework of the Islam Khoja minaret in Itchan Kala: a saturated, slightly cool deep blue-violet with the glossy finish of cobalt-glazed Khwarezmian ceramic tile under the high desert sun.

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.

#6c51aa
Original
#2e62ad
Protanopia
#3460a8
Deuteranopia
#5d6376
Tritanopia
#5d5d5d
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).
AAon White
6.19:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.40:1

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
##6C51AA
Display P3
Display P3
color(display-p3 0.4072 0.3219 0.6457)
P3 has subtle headroomOKLCH chroma 0.137

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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