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Resilient Sapphirine

#1e4dc0
Notes

Resilient Sapphirine (#1E4DC0) 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 (223°, 73%, 44%) 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
#1e4dc0
RGB
rgb(30, 77, 192)
HSL
hsl(223, 73%, 44%)
HWB
hwb(223 12% 25%)
OKLCH
oklch(46.5% 0.188 263.7)
HSV
hsv(223, 84%, 75%)
LAB
lab(36.72% 28.38 -64.43)
LCH
lch(36.72% 70.40 293.77)
CMYK
cmyk(84%, 60%, 0%, 25%)

Etymology

Resilient
adjective

Latin resiliēns, springing-back — present-participle of resilīre. As a color modifier, resilient implies a saturated-and-recovering-and-flexible quality where the hue maintains its strength under visual pressure. Sits at the bold-and-resilient end of the grid, parallel to tough and hardy in usage.

Sapphirine
noun

A magnesium-aluminum silicate gem — distinct from sapphire (corundum) — mined principally in Madagascar, Sri Lanka, and Greenland. Sapphirine is one of the rarest gem materials. The color refers to a faceted Madagascan sapphirine: a saturated, slightly cool deep blue-violet with the gem's signature internal warmth.

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.

#1e4dc0
Original
#005ec4
Protanopia
#004fbe
Deuteranopia
#006b7f
Tritanopia
#4b4b4b
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).
AAAon White
7.30:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
Failon Black
2.88:1

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