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Dressed Hornblende

#110518
Notes

Dressed Hornblende (#110518) is a deep indigo 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 (278°, 66%, 6%) 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 lime. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#110518
RGB
rgb(17, 5, 24)
HSL
hsl(278, 66%, 6%)
HWB
hwb(278 2% 91%)
OKLCH
oklch(14.8% 0.044 312.2)
P3
color(display-p3 0.0598 0.0214 0.0899)
HSV
hsv(278, 79%, 9%)
LAB
lab(2.65% 7.01 -8.26)
LCH
lch(2.65% 10.83 310.34)
CMYK
cmyk(29%, 79%, 0%, 91%)

Etymology

Dressed
adjective

Old French dresser, to arrange — past-participle of dress. As a color modifier, dressed implies a neutral-and-arranged-and-formal quality, the neutral color of Edwardian-period full-formal-and-evening-wear arranged-and-coordinated dress-attire-and-uniform craft-finish. Sits at the neutral-and-traditional end of the grid, parallel to suited and tailored in usage.

Hornblende
noun

(Ca,Na)₂(Mg,Fe,Al)₅(Si,Al)₈O₂₂(OH)₂ amphibole-group mineral — the principal mafic mineral of granite-and-gneiss, particularly the hornblende-biotite gneisses of the Adirondacks and the Scottish Highlands. Hornblende color refers to a freshly cleaved Adirondack hornblende prismatic-cluster face: a saturated, slightly cool deep black with the glassy finish of monoclinic-system iron-magnesium-aluminum-amphibole. The German name Hornblende is 16th-century Saxon mining vocabulary.

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.

#110518
Original
#020919
Protanopia
#040a18
Deuteranopia
#10080d
Tritanopia
#090909
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
19.84:1
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
1.06:1

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
##110518
Display P3
Display P3
color(display-p3 0.0598 0.0214 0.0899)
Inside sRGBOKLCH chroma 0.044

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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