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Vibrantazure

Soft Sapphire Weave

#399ddc
Notes

Soft Sapphire Weave (#399DDC) 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 (203°, 70%, 54%) 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 orange. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#399ddc
RGB
rgb(57, 157, 220)
HSL
hsl(203, 70%, 54%)
HWB
hwb(203 22% 14%)
OKLCH
oklch(66.6% 0.130 240.8)
HSV
hsv(203, 74%, 86%)
LAB
lab(61.78% -7.98 -40.23)
LCH
lch(61.78% 41.01 258.78)
CMYK
cmyk(74%, 29%, 0%, 14%)

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.

#399ddc
Original
#809edf
Protanopia
#698edb
Deuteranopia
#00adb3
Tritanopia
#8c8c8c
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
2.99:1
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
7.03:1

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