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Mellowing Indore

#6c657f
Notes

Mellowing Indore (#6C657F) 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 (256°, 11%, 45%) places it in the muted 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
#6c657f
RGB
rgb(108, 101, 127)
HSL
hsl(256, 11%, 45%)
HWB
hwb(256 40% 50%)
OKLCH
oklch(52.3% 0.041 297.3)
P3
color(display-p3 0.4188 0.3970 0.4904)
HSV
hsv(256, 20%, 50%)
LAB
lab(44.27% 8.40 -13.46)
LCH
lch(44.27% 15.86 301.96)
CMYK
cmyk(15%, 20%, 0%, 50%)

Etymology

Mellowing
adjective

Old English mealu, meal / soft — present-participle of mellow. As a color modifier, mellowing implies a hushed-and-softening-and-deepening quality where the hue carries the visual register of Burgundy-and-Bordeaux multi-decade gradually-mellowing-and-deepening wine-aging maturation. Sits at the hushed-and-aged end of the grid, parallel to aging and softening in usage.

Indore
noun

Indian princely-state capital (now Madhya Pradesh's largest city) — once an important node on the colonial-era indigo trade routes, with the Holkar royal silks dyed in Bengal-sourced Indigofera tinctoria. Indore color refers to an Indore-made Holkar-court kanjivaram silk: a saturated, slightly cool deep blue-violet with the silk luster of multi-bath natural indigo on heavy zari brocade.

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.

#6c657f
Original
#606980
Protanopia
#61687e
Deuteranopia
#69696e
Tritanopia
#686868
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
5.52:1
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
3.81:1

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
##6C657F
Display P3
Display P3
color(display-p3 0.4188 0.3970 0.4904)
Inside sRGBOKLCH chroma 0.041

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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