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Infused Glaucium

#172f84
Notes

Infused Glaucium (#172F84) is a deep blue 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 (227°, 70%, 30%) places it in the balanced band at a dark lightness. It works well as a headline, icon, or deep background in an otherwise light layout, pairing cleanly with cream, bone, and warm neutrals. 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
#172f84
RGB
rgb(23, 47, 132)
HSL
hsl(227, 70%, 30%)
HWB
hwb(227 9% 48%)
OKLCH
oklch(34.8% 0.145 266.4)
HSV
hsv(227, 83%, 52%)
LAB
lab(23.27% 24.51 -50.15)
LCH
lch(23.27% 55.82 296.04)
CMYK
cmyk(83%, 64%, 0%, 48%)

Etymology

Infused
adjective

Latin infundere, to pour into — past-participle of infuse. As a color modifier, infused implies a deep-pigment-and-warmth where the hue has been filled from within with the source dye. Sits at the deep-and-saturated end of the grid, parallel to suffused and steeped in usage.

Glaucium
noun

The genus Glauciumhorned poppy, Mediterranean coastal-dune annuals with silver-blue foliage and yellow or orange flowers. The genus name traces to the same Greek glaukos as glauque (gray-blue-green). The color refers to mature Glaucium flavum foliage: a soft, slightly cool deep silver-blue with the matte finish of waxy-cuticled coastal-dune leaf.

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.

#172f84
Original
#003d87
Protanopia
#003282
Deuteranopia
#004555
Tritanopia
#303030
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
11.82:1
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
1.78:1

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