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Forceful Jiang

#9b1309
Notes

Forceful Jiang (#9B1309) is a deep red 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 (4°, 89%, 32%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#9b1309
RGB
rgb(155, 19, 9)
HSL
hsl(4, 89%, 32%)
HWB
hwb(4 4% 39%)
OKLCH
oklch(44.1% 0.170 29.8)
HSV
hsv(4, 94%, 61%)
LAB
lab(32.82% 52.36 42.71)
LCH
lch(32.82% 67.56 39.20)
CMYK
cmyk(0%, 88%, 94%, 39%)

Etymology

Forceful
adjective

Old French force, strength — adjectival suffix -ful. As a color modifier, forceful implies a saturated-and-vigorous quality where the hue exerts visual force on its substrate. Sits at the bold-and-saturated end of the grid, parallel to mighty and commanding in tone.

Jiang
noun

A deep crimson historical Chinese color — used in the jiangcao (deep-crimson) silks of Tang-dynasty court robes and the lacquer of Han-period burial chambers. The color refers to a jiang-dyed silk in the Forbidden City collection: a deep, slightly cool dark red with the matte finish of multi-bath dyeing. Deeper than hong, cooler than karakurenai.

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.

#9b1309
Original
#433a04
Protanopia
#635700
Deuteranopia
#ac0014
Tritanopia
#2f2f2f
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
8.43:1
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
2.49:1

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Canvas