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Spare Forge

#0a1232
Notes

Spare Forge (#0A1232) 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 (228°, 67%, 12%) 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
#0a1232
RGB
rgb(10, 18, 50)
HSL
hsl(228, 67%, 12%)
HWB
hwb(228 4% 80%)
OKLCH
oklch(19.7% 0.064 269.2)
HSV
hsv(228, 80%, 20%)
LAB
lab(6.57% 9.16 -22.22)
LCH
lch(6.57% 24.03 292.40)
CMYK
cmyk(80%, 64%, 0%, 80%)

Etymology

Spare
adjective

Old English spær, frugal, scant — used as a color modifier since the seventeenth century for hues that read as minimal and unornamented. Spare gray, spare white: very low saturation combined with optical restraint. Sits at the neutral-bucket alongside bare and plain.

Forge
noun

A blacksmith's hearth — coal or coke fire driven to working temperature by bellows, where iron is heated to forge welding range. Forge as a color refers to the dark gray-black of the forge floor and surrounding stonework: a deep, slightly muted dark gray with the slightly oily finish of carbon-and-iron-residue saturation. Warmer than basalt, drier than asphalt, with the craft weight of a workshop where iron is still beaten by hand.

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

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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.

#0a1232
Original
#011633
Protanopia
#001331
Deuteranopia
#001a1f
Tritanopia
#131313
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
18.33:1
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
1.15:1

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