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Cloaked Fairywren

#39136a
Notes

Cloaked Fairywren (#39136A) is a deep indigo 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 (266°, 70%, 25%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#39136a
RGB
rgb(57, 19, 106)
HSL
hsl(266, 70%, 25%)
HWB
hwb(266 7% 58%)
OKLCH
oklch(30.5% 0.139 297.0)
P3
color(display-p3 0.2054 0.0835 0.3993)
HSV
hsv(266, 82%, 42%)
LAB
lab(17.35% 37.42 -43.09)
LCH
lch(17.35% 57.07 310.97)
CMYK
cmyk(46%, 82%, 0%, 58%)

Etymology

Cloaked
adjective

Old French cloque, bell-cloak — past-participle of cloak. As a color modifier, cloaked implies a deep-fabric-shrouded quality where the hue is muffled by an enveloping textile-darkness. Sits at the deep-and-fabric end of the grid, parallel to mantled and hooded in usage.

Fairywren
noun

Australian Splendid Fairywren (Malurus splendens) — a small Maluridae passerine of arid southern Australia, whose breeding-plumage males are a luminous all-over violet-blue. Fairywren color refers to a breeding-plumage male Malurus splendens in mulga scrub: a saturated, slightly cool deep blue-violet with the iridescent satin finish of structurally colored feather barbs over melanin substrate. Among the most saturated naturally occurring blue-violets in vertebrate plumage.

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.

#39136a
Original
#002b6c
Protanopia
#002a68
Deuteranopia
#2c2b3e
Tritanopia
#212121
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
14.23:1
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
1.48:1

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
##39136A
Display P3
Display P3
color(display-p3 0.2054 0.0835 0.3993)
P3 has subtle headroomOKLCH chroma 0.139

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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