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Crafted Nero

#030427
Notes

Crafted Nero (#030427) 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 (238°, 86%, 8%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#030427
RGB
rgb(3, 4, 39)
HSL
hsl(238, 86%, 8%)
HWB
hwb(238 1% 85%)
OKLCH
oklch(14.3% 0.073 270.6)
P3
color(display-p3 0.0125 0.0156 0.1454)
HSV
hsv(238, 92%, 15%)
LAB
lab(2.28% 8.48 -20.75)
LCH
lch(2.28% 22.42 292.22)
CMYK
cmyk(92%, 90%, 0%, 85%)

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.

Nero
noun

Italian for black — derived from Latin niger via Tuscan dialect. Nero color refers to a Venetian capa nera of nero d'avorio (ivory-black) pigment: a saturated, slightly cool deep black with the matte finish of multi-bath bone-and-iron-tannin dye on woven bombycin silk. The Italian color tradition distinguishes nero pece (pitch-black) from nero corvino (raven-black).

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.

#030427
Original
#000a28
Protanopia
#000726
Deuteranopia
#000d14
Tritanopia
#060606
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
19.99:1
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
1.05:1

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
##030427
Display P3
Display P3
color(display-p3 0.0125 0.0156 0.1454)
Inside sRGBOKLCH chroma 0.073

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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