colors
Back to gallery

Crafted Catacomb

#070d3a
Notes

Crafted Catacomb (#070D3A) 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 (233°, 78%, 13%) 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
#070d3a
RGB
rgb(7, 13, 58)
HSL
hsl(233, 78%, 13%)
HWB
hwb(233 3% 77%)
OKLCH
oklch(19.2% 0.086 269.6)
P3
color(display-p3 0.0318 0.0503 0.2176)
HSV
hsv(233, 88%, 23%)
LAB
lab(5.77% 15.56 -29.36)
LCH
lch(5.77% 33.23 297.92)
CMYK
cmyk(88%, 78%, 0%, 77%)

Etymology

Crafted
adjective

Old English cræft, strength / skill — past-participle of craft. As a color modifier, crafted implies a neutral-and-hand-built-and-skilled quality, the neutral color of American-Craftsman-and-Arts-and-Crafts hand-built-and-quality-craft furniture-and-textile-and-pottery surface-finish. Sits at the neutral-and-traditional end of the grid, parallel to handcrafted and artisanal in usage.

Catacomb
noun

Greek katà-kymbas, near-the-hollows — the deep-cool-gray underground burial-passageways of Roman-and-early-Christian periods, particularly the San Callisto and Domitilla catacomb-systems of Via Appia. Catacomb color refers to a San-Callisto 3rd-century catacomb-passage in candlelight: a dark cool-gray with the matte finish of Roman-tufa hand-quarried Via-Appia Roman-Christian fossors tunnel-construction.

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.

#070d3a
Original
#00153b
Protanopia
#001039
Deuteranopia
#001922
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
18.62:1
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
1.13:1

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
##070D3A
Display P3
Display P3
color(display-p3 0.0318 0.0503 0.2176)
P3 has subtle headroomOKLCH chroma 0.086

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

Related Colors

Canvas