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Cellared Sapporo

#151741
Notes

Cellared Sapporo (#151741) 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 (237°, 51%, 17%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#151741
RGB
rgb(21, 23, 65)
HSL
hsl(237, 51%, 17%)
HWB
hwb(237 8% 75%)
OKLCH
oklch(23.2% 0.078 276.4)
P3
color(display-p3 0.0838 0.0899 0.2450)
HSV
hsv(237, 68%, 25%)
LAB
lab(10.21% 14.34 -27.09)
LCH
lch(10.21% 30.65 297.90)
CMYK
cmyk(68%, 65%, 0%, 75%)

Etymology

Cellared
adjective

Latin cellārium, storehouse — past-participle of cellar. As a color modifier, cellared implies the deep-and-cool-and-architectural quality of Bordeaux-and-Burgundy wine-cellar underground stone-and-oak storage-chamber, with the patina of multi-decade barrel-aging-and-bottle-laying. Sits at the deep-and-architectural end of the grid, parallel to crypted with viticulture register.

Sapporo
noun

Capital of Japan's Hokkaido island — a city famous for its annual February Yuki Matsuri (Snow Festival) with deep-twilight blue lighting on illuminated snow sculptures along the Ōdōri Park boulevard. Sapporo color refers to a Yuki Matsuri night-sky over an illuminated snow sculpture: a saturated, slightly cool deep blue-violet with the optical complexity of artificial illumination on snow-reflected sky.

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.

#151741
Original
#001e42
Protanopia
#001a40
Deuteranopia
#002129
Tritanopia
#1a1a1a
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
17.06:1
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
##151741
Display P3
Display P3
color(display-p3 0.0838 0.0899 0.2450)
Inside sRGBOKLCH chroma 0.078

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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