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Victorious Glaucophane

#17409b
Notes

Victorious Glaucophane (#17409B) is a true azure with a jewel character. It carries the deep, saturated richness of a gemstone. Authoritative and slightly formal, it works well for type and heavy UI elements. Its HSL profile (221°, 74%, 35%) 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
#17409b
RGB
rgb(23, 64, 155)
HSL
hsl(221, 74%, 35%)
HWB
hwb(221 9% 39%)
OKLCH
oklch(40.4% 0.156 263.0)
HSV
hsv(221, 85%, 61%)
LAB
lab(29.95% 21.99 -53.44)
LCH
lch(29.95% 57.79 292.37)
CMYK
cmyk(85%, 59%, 0%, 39%)

Etymology

Victorious
adjective

Latin victōriōsus, of victory — derived from victor (winner). As a color modifier, victorious implies a saturated-and-celebratory-and-conquering quality, the deep-rich color of Roman-Imperial victory-procession purpura-dyed paludamentum cloak. Sits at the bold-and-celebratory end of the grid, parallel to triumphant and conquering.

Glaucophane
noun

A sodium-aluminum amphibole mineral — the principal blue component of blueschist metamorphic rocks. Mined principally in California, Greece, and Italy. The color refers to a polished glaucophane crystal: a saturated, slightly cool deep blue with the satin finish of fibrous amphibole. Cooler than dumortierite.

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.

#17409b
Original
#004d9e
Protanopia
#004199
Deuteranopia
#005767
Tritanopia
#3e3e3e
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
9.36:1
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
2.24:1

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