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Weighty Roselle

#d51523
Notes

Weighty Roselle (#D51523) 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 (356°, 82%, 46%) places it in the highly saturated band at a mid 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
#d51523
RGB
rgb(213, 21, 35)
HSL
hsl(356, 82%, 46%)
HWB
hwb(356 8% 16%)
OKLCH
oklch(55.6% 0.217 26.0)
HSV
hsv(356, 90%, 84%)
LAB
lab(45.37% 68.23 45.59)
LCH
lch(45.37% 82.05 33.75)
CMYK
cmyk(0%, 90%, 84%, 16%)

Etymology

Weighty
adjective

Old English wegan, to weigh — adjectival suffix -y. As a color modifier, weighty implies a saturated-and-heavy-and-imposing quality where the hue carries visual mass and gravitational presence. Sits at the bold-and-weighty end of the grid, parallel to substantial and hefty in usage.

Roselle
noun

Hibiscus sabdariffa, the tropical hibiscus whose dried calyxes brew the deep red sorrel tea sold across West Africa as bissap, in Egypt as karkadeh, and in the Caribbean as sorrel. The color refers to fresh roselle calyxes in hot water: a saturated, slightly cool deep red-pink with the optical complexity of anthocyanin-rich plant material. Cooler than coral.

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.

#d51523
Original
#5b5220
Protanopia
#887917
Deuteranopia
#eb001f
Tritanopia
#3f3f3f
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
5.30:1
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
3.96:1

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