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Pillowed Cyaneus

#2a5258
Notes

Pillowed Cyaneus (#2A5258) is a deep cyan 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 (188°, 35%, 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 red. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2a5258
RGB
rgb(42, 82, 88)
HSL
hsl(188, 35%, 25%)
HWB
hwb(188 16% 65%)
OKLCH
oklch(41.2% 0.046 208.1)
P3
color(display-p3 0.2029 0.3178 0.3413)
HSV
hsv(188, 52%, 35%)
LAB
lab(32.33% -12.22 -7.88)
LCH
lch(32.33% 14.54 212.81)
CMYK
cmyk(52%, 7%, 0%, 65%)

Etymology

Pillowed
adjective

Old English pyle, pillow — past-participle of pillow. As a color modifier, pillowed implies a hushed-and-cushioned-and-soft quality where the hue carries the visual register of Anglo-Saxon and Norman down-stuffed-and-pillowed bedding-textile soft-finish. Sits at the hushed-and-soft end of the grid, parallel to cushioned and padded in usage.

Cyaneus
noun

The Latin word for deep blue — used in Roman texts for the blue of cornflower (Centaurea cyanus) and the saturated blue of imperial-banquet kingfisher feathers. The color refers to a Roman-period kingfisher mosaic: a saturated, slightly cool deep blue with the matte finish of tessera-set glass mosaic.

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.

#2a5258
Original
#4c4f58
Protanopia
#454a58
Deuteranopia
#105554
Tritanopia
#4a4a4a
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
8.58:1
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
2.45:1

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
##2A5258
Display P3
Display P3
color(display-p3 0.2029 0.3178 0.3413)
Inside sRGBOKLCH chroma 0.046

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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