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Patrician Cadmium

#8f3017
Notes

Patrician Cadmium (#8F3017) 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 (13°, 72%, 33%) 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 cyan. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#8f3017
RGB
rgb(143, 48, 23)
HSL
hsl(13, 72%, 33%)
HWB
hwb(13 9% 44%)
OKLCH
oklch(44.6% 0.134 35.4)
HSV
hsv(13, 84%, 56%)
LAB
lab(34.02% 38.95 36.28)
LCH
lch(34.02% 53.22 42.97)
CMYK
cmyk(0%, 66%, 84%, 44%)

Etymology

Patrician
adjective

Latin patrīcius, of the noble class — derived from pater (father). As a color modifier, patrician implies a saturated-and-aristocratic-and-Roman-Republic quality, the deep-rich color of Roman-Patrician-class toga and senatorial-livery hereditary-aristocratic dress. Sits at the bold-and-aristocratic end of the grid, parallel to senatorial and imperial.

Cadmium
noun

The metallic element Cd — and cadmium orange, the cadmium-sulfoselenide pigment introduced in the 1840s as a more lightfast alternative to chrome and lead pigments. The color refers to fresh cadmium-orange paint in oil: a saturated, slightly red orange with the matte finish of mineral pigment in linseed oil. Brighter than chrome.

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.

#8f3017
Original
#4b4313
Protanopia
#635813
Deuteranopia
#9e142b
Tritanopia
#424242
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
8.07:1
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
2.60:1

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