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Vintage Cyaneus

#2d555f
Notes

Vintage Cyaneus (#2D555F) 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 (192°, 36%, 27%) 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
#2d555f
RGB
rgb(45, 85, 95)
HSL
hsl(192, 36%, 27%)
HWB
hwb(192 18% 63%)
OKLCH
oklch(42.4% 0.048 215.8)
P3
color(display-p3 0.2142 0.3295 0.3675)
HSV
hsv(192, 53%, 37%)
LAB
lab(33.73% -11.00 -10.17)
LCH
lch(33.73% 14.98 222.74)
CMYK
cmyk(53%, 11%, 0%, 63%)

Etymology

Vintage
adjective

Latin vīndēmia, grape-harvest — adjectival usage of vintage. As a color modifier, vintage implies a hushed-and-aged-and-storied quality where the hue carries the multi-decade survival-and-collection visual register of period-correct Mid-Century-Modern and Victorian preserved-textile. Sits at the hushed-and-aged end of the grid, parallel to patinated and antique 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.

#2d555f
Original
#4e5360
Protanopia
#464d5f
Deuteranopia
#115958
Tritanopia
#4d4d4d
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
8.15:1
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
2.58:1

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
##2D555F
Display P3
Display P3
color(display-p3 0.2142 0.3295 0.3675)
Inside sRGBOKLCH chroma 0.048

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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