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Conquering Powder

#1566f3
Notes

Conquering Powder (#1566F3) 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 (218°, 90%, 52%) 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 amber. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1566f3
RGB
rgb(21, 102, 243)
HSL
hsl(218, 90%, 52%)
HWB
hwb(218 8% 5%)
OKLCH
oklch(55.5% 0.224 261.2)
HSV
hsv(218, 91%, 95%)
LAB
lab(47.15% 31.21 -76.55)
LCH
lch(47.15% 82.67 292.18)
CMYK
cmyk(91%, 58%, 0%, 5%)

Etymology

Conquering
adjective

Latin conquīrere, to seek thoroughly — present-participle of conquer. As a color modifier, conquering implies a saturated-and-overwhelming-and-victorious quality where the hue overcomes neighboring colors through pure pigmentation strength. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and dominant.

Powder
noun

Talc — magnesium silicate ground to fine particles for personal hygiene since the nineteenth century. Powder blue refers to the pale, slightly green-shifted blue of mid-century Robin's-egg talc tins and the quilted cotton of newborn-boy nurseries: a soft, very pale blue with the matte finish of micron-scale particles. Lighter than periwinkle, warmer than ice, with the postwar consumer-goods association of a color tied to bath salts and powder rooms.

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.

#1566f3
Original
#007af8
Protanopia
#0066f0
Deuteranopia
#008aa3
Tritanopia
#5f5f5f
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
4.97:1
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
4.23:1

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