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Knightly Bermellón

#a21d0d
Notes

Knightly Bermellón (#A21D0D) 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 (6°, 85%, 34%) 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
#a21d0d
RGB
rgb(162, 29, 13)
HSL
hsl(6, 85%, 34%)
HWB
hwb(6 5% 36%)
OKLCH
oklch(46.1% 0.170 30.7)
HSV
hsv(6, 92%, 64%)
LAB
lab(35.19% 52.04 43.41)
LCH
lch(35.19% 67.76 39.83)
CMYK
cmyk(0%, 82%, 92%, 36%)

Etymology

Knightly
adjective

Old English cniht, young man / knight — adjectival suffix -ly. As a color modifier, knightly implies a saturated-and-chivalrous-and-medieval quality, the deep-rich color of medieval-English-and-French knight-and-squire armorial-bearings-and-livery tradition. Sits at the bold-and-chivalrous end of the grid, parallel to gallant and cavalier.

Bermellón
noun

Spanish for vermillion — the cinnabar-derived pigment used in the painted altarpieces of Castilian and Andalusian baroque. The color refers to a freshly mixed bermellón in a Sevillian polychrome workshop: a saturated, slightly orange red with the high gloss of pigment in oil. The Spanish equivalent of shu — different language, same mineral.

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.

#a21d0d
Original
#494007
Protanopia
#695d01
Deuteranopia
#b3001c
Tritanopia
#383838
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
7.73:1
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
2.72:1

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