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Vibrantazure

Soft Sapphire Facet

#4281d9
Notes

Soft Sapphire Facet (#4281D9) is a true azure with a vibrant character. It holds its own as a focal accent, carrying visual weight without tipping into neon territory. Its HSL profile (215°, 67%, 55%) places it in the balanced band at a mid lightness. It works across type, buttons, and borders, saturated enough to feel deliberate but balanced enough to not fight the rest of the palette. 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
#4281d9
RGB
rgb(66, 129, 217)
HSL
hsl(215, 67%, 55%)
HWB
hwb(215 26% 15%)
OKLCH
oklch(60.5% 0.149 257.2)
HSV
hsv(215, 70%, 85%)
LAB
lab(53.88% 8.61 -51.02)
LCH
lch(53.88% 51.74 279.58)
CMYK
cmyk(70%, 41%, 0%, 15%)

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.

#4281d9
Original
#5888dc
Protanopia
#407ad7
Deuteranopia
#0095a2
Tritanopia
#7a7a7a
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).
AA Largeon White
3.91:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AAon Black
5.37:1

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