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Lurid Woven Sky

#21affa
Notes

Lurid Woven Sky (#21AFFA) is a true azure with a neon character. It sits at the high-saturation edge of its family. Use it sparingly, as signage, accent, or highlight against darker surfaces. Its HSL profile (201°, 96%, 55%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#21affa
RGB
rgb(33, 175, 250)
HSL
hsl(201, 96%, 55%)
HWB
hwb(201 13% 2%)
OKLCH
oklch(71.9% 0.155 239.4)
HSV
hsv(201, 87%, 98%)
LAB
lab(67.93% -9.63 -47.06)
LCH
lch(67.93% 48.03 258.43)
CMYK
cmyk(87%, 30%, 0%, 2%)

Etymology

Lurid
adjective

Latin lūridus, pale-yellow / sickly — sharing root with lūror (yellowish-pallor). As a color modifier, lurid implies a saturated-and-shocking-and-sickly-bright quality, the bright color of Penny-Dreadful-and-Pulp-Fiction sensational-cover-art bright-and-pulpy printing. Sits at the bright-and-shocking end of the grid, parallel to garish and gaudy in usage.

Woven
modifier

Old English wefan, to-weave. As a color modifier, woven implies a hand-loomed-warp-and-weft quality, the visual register of hand-loom-and-jacquard-loom hand-woven-and-loomed warp-and-weft hand-woven-and-loomed-textile surfaces under hand-woven-and-loomed-textile workshop-light. Sits at the modifier-and-texture end of the grid, parallel to spun and knit in usage.

Sky
noun

The blue of a clear sky at noon — produced by Rayleigh scattering, the preferential dispersion of shorter wavelengths through atmospheric molecules. Air itself is colorless; the color we see is sunlight scattered toward our eyes by every cubic kilometer above. The reference shade is mid-latitude noon under a high pressure system: a clean, slightly green-shifted blue with the luminous depth of light scattered across an entire hemisphere of air.

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.

#21affa
Original
#8bb0fd
Protanopia
#6e9df9
Deuteranopia
#00c2c9
Tritanopia
#969696
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).
Failon White
2.45:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAAon Black
8.58:1

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