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Sooty Damascus

#5b1870
Notes

Sooty Damascus (#5B1870) is a deep violet 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 (286°, 65%, 27%) 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 green. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#5b1870
RGB
rgb(91, 24, 112)
HSL
hsl(286, 65%, 27%)
HWB
hwb(286 9% 56%)
OKLCH
oklch(36.3% 0.149 316.6)
P3
color(display-p3 0.3276 0.1138 0.4236)
HSV
hsv(286, 79%, 44%)
LAB
lab(23.83% 43.41 -36.23)
LCH
lch(23.83% 56.54 320.15)
CMYK
cmyk(19%, 79%, 0%, 56%)

Etymology

Sooty
adjective

Old English sōt, soot — adjectival suffix -y. As a color modifier, sooty implies the deep-matte-black quality of multi-decade chimney-and-furnace soot-and-creosote-residue surfaces, the Brontë-period Yorkshire-cottage hearth-and-flue patina. Sits at the deep-and-warm end of the grid, parallel to smoky and pitchy.

Damascus
noun

Syrian Silk Road capital — and the medieval Levantine purple-textile depot where Byzantine and Mamluk purple silks were processed and re-exported. Damascus color refers to a Damascus-style damask-weave purple silk in the Great Umayyad Mosque's treasury: a saturated, slightly cool deep violet with the silk luster of multi-bath Tyrian-and-indigo overdye on damask-weave Syrian silk.

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.

#5b1870
Original
#003572
Protanopia
#183b6e
Deuteranopia
#5a2b43
Tritanopia
#2d2d2d
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
11.61:1
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
1.81:1

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
##5B1870
Display P3
Display P3
color(display-p3 0.3276 0.1138 0.4236)
P3 has subtle headroomOKLCH chroma 0.149

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.

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