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Unassuming Tombstone

#050f2f
Notes

Unassuming Tombstone (#050F2F) is a deep blue 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 (226°, 81%, 10%) places it in the highly saturated band at a dark lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#050f2f
RGB
rgb(5, 15, 47)
HSL
hsl(226, 81%, 10%)
HWB
hwb(226 2% 82%)
OKLCH
oklch(18.3% 0.066 265.7)
P3
color(display-p3 0.0271 0.0577 0.1765)
HSV
hsv(226, 89%, 18%)
LAB
lab(5.23% 8.03 -22.15)
LCH
lch(5.23% 23.56 289.91)
CMYK
cmyk(89%, 68%, 0%, 82%)

Etymology

Unassuming
adjective

Latin assūmere, to take up — negative-prefix un- plus present-participle of assume. As a color modifier, unassuming implies a neutral-and-modest-and-not-claiming-attention quality where the hue carries the visual register of Mid-Century-Modern modest-and-quiet-and-unobtrusive interior-decoration surface. Sits at the neutral-and-stripped-down end of the grid, parallel to simple and modest in usage.

Tombstone
noun

English tombe-stān, burial-stone — the deep-cool-gray slate-or-granite memorial-stone of medieval-and-modern European churchyard burial-tradition, particularly the Cotswold-Limestone and Welsh-Slate hand-carved tombstone-and-headstone. Tombstone color refers to a Welsh-Bethesda-slate 19th-century churchyard tombstone face in November-overcast rain: a dark cool-gray with the matte finish of Cambrian-period roofing-slate.

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.

#050f2f
Original
#001330
Protanopia
#00102e
Deuteranopia
#00171d
Tritanopia
#0f0f0f
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
18.82:1
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
1.12:1

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
##050F2F
Display P3
Display P3
color(display-p3 0.0271 0.0577 0.1765)
Inside sRGBOKLCH chroma 0.066

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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