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Useful Pamir

#a9acf1
Notes

Useful Pamir (#A9ACF1) is a soft blue with a pastel character. It reads calm and airy, with enough chroma to feel intentional rather than washed out. Its HSL profile (237°, 72%, 80%) places it in the balanced band at a light lightness. It works as a background wash, large-area fill, or soft illustration tone. Add a darker ink of the same hue when you need type over it. For a confident two-color system, pair it with its complementary yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#a9acf1
RGB
rgb(169, 172, 241)
HSL
hsl(237, 72%, 80%)
HWB
hwb(237 66% 5%)
OKLCH
oklch(76.8% 0.098 281.9)
P3
color(display-p3 0.6649 0.6741 0.9249)
HSV
hsv(237, 30%, 95%)
LAB
lab(72.42% 14.23 -34.74)
LCH
lch(72.42% 37.54 292.27)
CMYK
cmyk(30%, 29%, 0%, 5%)

Etymology

Useful
adjective

Latin ūsus, use — adjectival suffix -ful. As a color modifier, useful implies a clear-and-purpose-serving quality where the hue carries the visual register of helpful-and-supporting design-element. Sits at the crisp-and-functional end of the grid, parallel to practical and serviceable in usage.

Pamir
noun

Central Asian high-altitude range straddling Tajikistan, Afghanistan, and Kyrgyzstan — known as Bām-i Dunyā (the Roof of the World) for its 7,000m peaks and intense alpine sky. Pamir color refers to a Pamir clear-day alpine sky over the Wakhan Corridor: a saturated, slightly cool deep blue-violet with the optical complexity of high-altitude Rayleigh-scattered atmospheric indigo light.

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.

#a9acf1
Original
#98b4f4
Protanopia
#95afef
Deuteranopia
#97b9c4
Tritanopia
#b0b0b0
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
2.13:1
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
9.86:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##A9ACF1
Display P3
Display P3
color(display-p3 0.6649 0.6741 0.9249)
P3 has subtle headroomOKLCH chroma 0.098

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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