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Taciturn Overcast

#210621
Notes

Taciturn Overcast (#210621) is a deep violet with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (300°, 69%, 8%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. For a confident two-color system, pair it with its complementary green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#210621
RGB
rgb(33, 6, 33)
HSL
hsl(300, 69%, 8%)
HWB
hwb(300 2% 87%)
OKLCH
oklch(18.6% 0.064 327.8)
P3
color(display-p3 0.1168 0.0293 0.1244)
HSV
hsv(300, 82%, 13%)
LAB
lab(5.09% 17.43 -11.54)
LCH
lch(5.09% 20.91 326.49)
CMYK
cmyk(0%, 82%, 0%, 87%)

Etymology

Taciturn
adjective

Latin taciturnus, silent / not-given-to-speech. As a color modifier, taciturn implies a neutral-and-quiet-and-not-talkative quality where the hue carries the visual register of Cistercian-monastic and Quaker-meeting-house silent-and-meditative interior-and-textile-finish. Sits at the neutral-and-quiet end of the grid, parallel to reticent and laconic in usage.

Overcast
noun

Old English ofer-cæst, thrown-over — the deep-gray atmospheric condition when the sky is fully covered by stratiform cloud. Overcast color refers to a fully stratus-covered eastern coast of England in mid-November under low-pressure: a dark cool-gray with the optical complexity of stratus-and-stratocumulus cloud-covered sky-light filtered through North-Atlantic atmospheric humidity.

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.

#210621
Original
#040f22
Protanopia
#0c1220
Deuteranopia
#220912
Tritanopia
#0e0e0e
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
18.87:1
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
1.11:1

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
##210621
Display P3
Display P3
color(display-p3 0.1168 0.0293 0.1244)
Inside sRGBOKLCH chroma 0.064

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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