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Resilient Polemonium

#156bdf
Notes

Resilient Polemonium (#156BDF) 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 (214°, 83%, 48%) places it in the highly saturated band at a mid lightness. Best used in small doses, like logos, CTAs, focus rings, or highlight text, where its saturation becomes a feature rather than noise. 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
#156bdf
RGB
rgb(21, 107, 223)
HSL
hsl(214, 83%, 48%)
HWB
hwb(214 8% 13%)
OKLCH
oklch(54.9% 0.193 258.4)
HSV
hsv(214, 91%, 87%)
LAB
lab(46.97% 20.30 -65.58)
LCH
lch(46.97% 68.65 287.20)
CMYK
cmyk(91%, 52%, 0%, 13%)

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.

Polemonium
noun

The genus PolemoniumJacob's ladder, the European and North American rock-garden perennial whose pinnate ladder-shaped foliage and clusters of blue flowers appear in late spring. The color refers to a fresh P. caeruleum in flower: a saturated, slightly cool deep blue with the matte finish of small five-petaled bell-shaped flower.

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

Click any swatch to explore

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.

#156bdf
Original
#0f79e3
Protanopia
#0067dd
Deuteranopia
#00889b
Tritanopia
#616161
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).
AAon White
5.00:1
The quick brown foxSample body text at normal size. The wcag minimum for body contrast is 4.5:1 (AA) or 7:1 (AAA).
AA Largeon Black
4.20:1

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