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Knightly Alizarin

#cf2535
Notes

Knightly Alizarin (#CF2535) is a true red with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (354°, 70%, 48%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. For a confident two-color system, pair it with its complementary teal. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#cf2535
RGB
rgb(207, 37, 53)
HSL
hsl(354, 70%, 48%)
HWB
hwb(354 15% 19%)
OKLCH
oklch(55.4% 0.203 22.9)
HSV
hsv(354, 82%, 81%)
LAB
lab(45.43% 64.07 35.21)
LCH
lch(45.43% 73.11 28.79)
CMYK
cmyk(0%, 82%, 74%, 19%)

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.

Alizarin
noun

1,2-dihydroxyanthraquinone — the principal anthraquinone dye component of madder root (Rubia tinctorum), first isolated and synthesized in 1869 by Carl Graebe and Carl Liebermann. Alizarin color refers to a freshly alizarin-mordant-dyed wool: a saturated, slightly cool deep magenta with the matte finish of anthraquinone-dye-on-mordanted woolen fiber. The first natural pigment to be replaced by a synthetic.

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.

#cf2535
Original
#5c5434
Protanopia
#86782f
Deuteranopia
#e4002d
Tritanopia
#4a4a4a
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).
AAon White
5.29:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
3.97:1

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