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Caliginous Beeswing

#2d230a
Notes

Caliginous Beeswing (#2D230A) is a deep amber 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 (43°, 64%, 11%) 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 azure. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#2d230a
RGB
rgb(45, 35, 10)
HSL
hsl(43, 64%, 11%)
HWB
hwb(43 4% 82%)
OKLCH
oklch(26.2% 0.042 87.3)
P3
color(display-p3 0.1702 0.1387 0.0553)
HSV
hsv(43, 78%, 18%)
LAB
lab(14.30% 1.13 16.94)
LCH
lch(14.30% 16.97 86.18)
CMYK
cmyk(0%, 22%, 78%, 82%)

Etymology

Caliginous
adjective

Latin cālīginōsus, misty / dark — derived from cālīgō (mist, gloom). As a color modifier, caliginous implies an obscured, dimmed, slightly-cool-shifted quality where the hue is veiled by darkness or atmospheric fog. Sits at the deep-and-veiled end of the grid, between murky and tenebrous in usage.

Beeswing
noun

The thin, glassy crust that forms on the inside of a long-aged port or sherry bottle — fragments break loose like the wings of bees as the wine ages. The color refers to a beeswing-rich vintage port: a deep, slightly muted warm gold-brown with the optical complexity of long-cellar-aged fortified wine.

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.

#2d230a
Original
#282308
Protanopia
#2a250b
Deuteranopia
#311f1e
Tritanopia
#232323
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
15.48:1
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
1.36:1

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
##2D230A
Display P3
Display P3
color(display-p3 0.1702 0.1387 0.0553)
Inside sRGBOKLCH chroma 0.042

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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