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Sterile Chionodoxa

#aaa1ca
Notes

Sterile Chionodoxa (#AAA1CA) is a soft indigo with a cool character. It leans cool, sitting on the blue, green, and violet side of the wheel. Quiet and dependable, a fit for product UI and data visualization. Its HSL profile (253°, 28%, 71%) places it in the muted 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
#aaa1ca
RGB
rgb(170, 161, 202)
HSL
hsl(253, 28%, 71%)
HWB
hwb(253 63% 21%)
OKLCH
oklch(73.1% 0.059 295.0)
P3
color(display-p3 0.6606 0.6326 0.7800)
HSV
hsv(253, 20%, 79%)
LAB
lab(68.24% 11.53 -19.77)
LCH
lch(68.24% 22.88 300.25)
CMYK
cmyk(16%, 20%, 0%, 21%)

Etymology

Sterile
adjective

Latin sterilis, barren / not-fertile — sharing root with Greek steiros (barren). As a color modifier, sterile implies a clear-and-medical-clean-and-stripped quality, the crisp color of operating-theater surgical-environment white-and-stainless-steel surfaces. Sits at the crisp-and-clean end of the grid, parallel to sanitary and hygienic in usage.

Chionodoxa
noun

Mediterranean Glory-of-the-Snow (Chionodoxa luciliae) — a small Anatolian-mountain spring-flowering bulb whose name combines Greek khión (snow) and dóxa (glory). Chionodoxa color refers to a freshly opened Chionodoxa luciliae six-tepalled star: a saturated, slightly cool deep blue-violet with the velvet finish of small radiating tepals around a paler center. Blooms while alpine snow lingers in patches.

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.

#aaa1ca
Original
#98a7cc
Protanopia
#99a6c9
Deuteranopia
#a4a7af
Tritanopia
#a6a6a6
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
2.42:1
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
8.66:1

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
##AAA1CA
Display P3
Display P3
color(display-p3 0.6606 0.6326 0.7800)
Inside sRGBOKLCH chroma 0.059

This color sits well within the sRGB cube. P3 and sRGB share the gray axis and most desaturated tones, so a P3 display renders this identically to an sRGB display.

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