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Engulfed Periwinkle

#1c134f
Notes

Engulfed Periwinkle (#1C134F) 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 (249°, 61%, 19%) 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 yellow. For something softer, pull in its analogous neighbors on either side of the wheel.

HEX
#1c134f
RGB
rgb(28, 19, 79)
HSL
hsl(249, 61%, 19%)
HWB
hwb(249 7% 69%)
OKLCH
oklch(24.4% 0.104 282.3)
P3
color(display-p3 0.1043 0.0759 0.2972)
HSV
hsv(249, 76%, 31%)
LAB
lab(11.11% 23.93 -35.35)
LCH
lch(11.11% 42.69 304.10)
CMYK
cmyk(65%, 76%, 0%, 69%)

Etymology

Engulfed
adjective

Old French en-golfe, into-the-gulf — past-participle of engulf. As a color modifier, engulfed implies the deep-overwhelming-and-cool quality where the hue has been completely surrounded by darkness, like a small boat overtaken by Atlantic-ocean swells. Sits at the deep-and-overwhelmed end of the grid, parallel to submerged and suffocating.

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.

#1c134f
Original
#002051
Protanopia
#001c4e
Deuteranopia
#00232f
Tritanopia
#191919
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
16.73:1
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
1.26:1

Wide gamut

Display P3 representation

The CSS Color 4 wide-gamut form of this color. Both swatches render the same color on every display — the P3 form only diverges from sRGB when a designer pushes channels outside sRGB's reach.

sRGB hex
sRGB hex
##1C134F
Display P3
Display P3
color(display-p3 0.1043 0.0759 0.2972)
P3 has subtle headroomOKLCH chroma 0.104

Moderately saturated colors gain a small bump in P3 — the difference is usually visible side-by-side on wide-gamut hardware but won't change the character of the color.

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