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Sinister Iconostasis

#543a57
Notes

Sinister Iconostasis (#543A57) is a deep violet 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 (294°, 20%, 28%) places it in the muted 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
#543a57
RGB
rgb(84, 58, 87)
HSL
hsl(294, 20%, 28%)
HWB
hwb(294 23% 66%)
OKLCH
oklch(38.9% 0.058 323.1)
P3
color(display-p3 0.3141 0.2317 0.3342)
HSV
hsv(294, 33%, 34%)
LAB
lab(28.38% 17.19 -12.91)
LCH
lch(28.38% 21.50 323.09)
CMYK
cmyk(3%, 33%, 0%, 66%)

Etymology

Sinister
adjective

Latin sinister, left / unlucky — used in classical-augury for the unfavorable left-hand-side of bird-flight omen-reading. As a color modifier, sinister implies a deep-and-foreboding-and-uncanny quality, the dark of Gothic-novel atmospheric-shadow and threatening-presence. Sits at the deep-and-uncanny end of the grid, parallel to foreboding and menacing in atmospheric register.

Iconostasis
noun

Russian and Greek Orthodox icon screen — the multi-tier wall of religious icons that separates the naos (nave) from the bema (sanctuary) in an Orthodox church, traditionally rendered in deep-violet-and-gold-leaf. Iconostasis color refers to a 14th-century Novgorod-school iconostasis royal-doors panel: a saturated, slightly cool deep violet with the matte finish of egg-tempera ultramarine-and-cinnabar on gilt gesso ground.

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.

#543a57
Original
#374158
Protanopia
#3d4456
Deuteranopia
#553d44
Tritanopia
#424242
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
9.91:1
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
2.12:1

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
##543A57
Display P3
Display P3
color(display-p3 0.3141 0.2317 0.3342)
Inside sRGBOKLCH chroma 0.058

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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