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Murky Lane Ultramarine

#161b2b
Notes

Murky Lane Ultramarine (#161B2B) is a deep blue 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 (226°, 32%, 13%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#161b2b
RGB
rgb(22, 27, 43)
HSL
hsl(226, 32%, 13%)
HWB
hwb(226 9% 83%)
OKLCH
oklch(22.5% 0.032 270.4)
P3
color(display-p3 0.0900 0.1053 0.1638)
HSV
hsv(226, 49%, 17%)
LAB
lab(10.02% 2.91 -11.54)
LCH
lch(10.02% 11.90 284.18)
CMYK
cmyk(49%, 37%, 0%, 83%)

Etymology

Murky
adjective

From Old Norse myrkr, darkness — sharing root with mirkwood. Murky implies low value combined with reduced clarity — the deep brown-greens of pond water, the dim interior of a smoke-blackened bar. Sits at the deep-and-dirtied end of the grid, where the color is both dark and slightly clouded.

Lane
modifier

Old English lane, narrow path / way. As a color modifier, lane implies a narrow-rural-track quality, the visual register of Devon-and-Cornish-and-Welsh deep-cut hedge-banked rural-back-lane sunken-track surfaces under West-Country-and-Welsh-back-lane filtered-and-sunken light. Sits at the modifier-and-place end of the grid, parallel to path and road in usage.

Ultramarine
noun

The pigment ground from lapis lazuli — the Afghan mineral imported through Venice in the late Middle Ages, more expensive by weight than gold during the Renaissance. The color refers to a freshly mixed ultramarine pigment in linseed oil: a saturated, slightly violet-shifted deep blue with the matte finish of micron-ground rock. Deeper than cobalt, cooler than royal, with the art-historical weight of the blue Vermeer reserved for Mary's robe.

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.

#161b2b
Original
#161c2c
Protanopia
#141b2b
Deuteranopia
#0f1e21
Tritanopia
#1b1b1b
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
17.13:1
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
1.23:1

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
##161B2B
Display P3
Display P3
color(display-p3 0.0900 0.1053 0.1638)
Inside sRGBOKLCH chroma 0.032

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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