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Seasoned Bishop

#645b6f
Notes

Seasoned Bishop (#645B6F) 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 (267°, 10%, 40%) 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
#645b6f
RGB
rgb(100, 91, 111)
HSL
hsl(267, 10%, 40%)
HWB
hwb(267 36% 56%)
OKLCH
oklch(48.7% 0.033 305.6)
P3
color(display-p3 0.3862 0.3581 0.4295)
HSV
hsv(267, 18%, 44%)
LAB
lab(40.15% 7.88 -10.04)
LCH
lch(40.15% 12.76 308.14)
CMYK
cmyk(10%, 18%, 0%, 56%)

Etymology

Seasoned
adjective

Old French seson, season — past-participle of season. As a color modifier, seasoned implies a hushed-and-time-aged-and-developed quality where the hue carries the visual register of seasoned-oak-and-cast-iron multi-decade developed-and-developed-character surface. Sits at the hushed-and-aged end of the grid, parallel to mature and aged in usage.

Bishop
noun

Greek epískopos via Latin episcopus, overseer — the ecclesiastical office whose Roman-Catholic and Anglican vesture includes a deep-violet cassock under white rochet and chimere. Bishop color refers to a contemporary Roman-Catholic episcopal cassock: a saturated, slightly cool deep violet with the matte finish of vat-dyed liturgical wool. Distinct from the deep-red cardinal cassock and the white papal cassock.

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.

#645b6f
Original
#585e70
Protanopia
#595f6e
Deuteranopia
#635e62
Tritanopia
#5e5e5e
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
6.43:1
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
3.27:1

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
##645B6F
Display P3
Display P3
color(display-p3 0.3862 0.3581 0.4295)
Inside sRGBOKLCH chroma 0.033

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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