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Composed Periwinkle

#1d70c8
Notes

Composed Periwinkle (#1D70C8) 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 (211°, 75%, 45%) 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
#1d70c8
RGB
rgb(29, 112, 200)
HSL
hsl(211, 75%, 45%)
HWB
hwb(211 11% 22%)
OKLCH
oklch(54.5% 0.157 254.0)
HSV
hsv(211, 86%, 78%)
LAB
lab(47.00% 8.63 -52.42)
LCH
lch(47.00% 53.13 279.35)
CMYK
cmyk(86%, 44%, 0%, 22%)

Etymology

Composed
adjective

The past participle of compose, to arrange together — used as a color modifier for hues that read as deliberate and balanced. Composed black, composed gray: the saturation is moderate, the hue is calmly positioned without aggression. Sits at the bold-and-quiet edge of the grid near settled and resolute.

Periwinkle
noun

Vinca minor, the trailing groundcover of European woodland whose pale blue-violet flowers gave English the color name in the eighteenth century. Distinct from Catharanthus roseus (Madagascar periwinkle, the source of vincristine for chemotherapy). The color refers to the corolla of a fresh Vinca flower: a soft, slightly violet-shifted pale blue with the matte finish of five-petaled bloom. Lighter than bluebell, cooler than lavender.

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.

#1d70c8
Original
#4277cb
Protanopia
#1d68c6
Deuteranopia
#008592
Tritanopia
#656565
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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